Home / 27,239.29-37,589.33-15,139.71

Finding the Fourth Proportional to 27,239.29, 37,589.33 and 15,139.71

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Solution

The fourth proportional to 27,239.29, 37,589.33 and 15,139.71 is: 20,892.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,239.29 : 37,589.33 = 15,139.71 : x
  2. Step 2: Convert to fraction form
    27,239.29/37,589.33 = 15,139.71/x
  3. Step 3: Cross multiply
    27,239.29x = 37,589.33 × 15,139.71
  4. Step 4: Simplify right side
    27,239.29x = 569,091,593.14
  5. Step 5: Solve for x
    x = 569,091,593.14/27,239.29
  6. Step 6: Final answer
    x = 20,892.31

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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.