Home / 27,365.56-37,763.60-15,428.72

Finding the Fourth Proportional to 27,365.56, 37,763.60 and 15,428.72

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Solution

The fourth proportional to 27,365.56, 37,763.60 and 15,428.72 is: 21,291.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,365.56 : 37,763.60 = 15,428.72 : x
  2. Step 2: Convert to fraction form
    27,365.56/37,763.60 = 15,428.72/x
  3. Step 3: Cross multiply
    27,365.56x = 37,763.60 × 15,428.72
  4. Step 4: Simplify right side
    27,365.56x = 582,644,010.59
  5. Step 5: Solve for x
    x = 582,644,010.59/27,365.56
  6. Step 6: Final answer
    x = 21,291.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.