Problem: 27 is 45 percent of what number?Solution:One way to calculate percentages is to use this general percentage formula: Show
If you know any two values of the formula, you can calculate the third one. In this example, you know the 'part' (27) and the 'percentage' (45%). So, you can find the 'whole'. By replacing the given values in the formula, you get: Cross-multiply: 45 × whole = 27 × 100 Divide by 45 and get the whole:
27 is x percent of what chart
Above, we have a grafical representation using strip diagrams (or percent bars) of 27 is x percent of what, where x ranges from 1 to 100%, for your reference. Menu
45% of what missing number = 27?Detailed calculations and the verification of the resultA brief introduction. Percent, p%'Percent (%)' means 'out of one hundred':45% = 45 'out of one hundred',p% is read p 'percent',p% = p/100 = p ÷ 10045% = 45/100 = 45 ÷ 100 = 0.45100% = 100/100 = 100 ÷ 100 = 1What does it mean: Percentage of 45% of which number is equal to 27?45% of what number = 27... is equivalent to multiplying them:45% × number = 27Number calculation, finding the missing unknown numberPercentage of 45% of what number = 27?Let y be the number that we have to calculate.45% × y = 27 =>y =27 ÷ 45% =27 ÷ (45 ÷ 100) =(100 × 27) ÷ 45 =2,700 ÷ 45 =6045% of 60 = 27Proof of the calculationsHow do we check the result?We carry out the reverse operation:If 45% × 60 = 27 =>Divide the number 27 by the number 60...... And see if we get as a result: 45%A quick note:Multiply a number by the fraction 100/100, |