Home / 27,593.38-38,078.67-15,018.13

Finding the Fourth Proportional to 27,593.38, 38,078.67 and 15,018.13

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Solution

The fourth proportional to 27,593.38, 38,078.67 and 15,018.13 is: 20,724.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,593.38 : 38,078.67 = 15,018.13 : x
  2. Step 2: Convert to fraction form
    27,593.38/38,078.67 = 15,018.13/x
  3. Step 3: Cross multiply
    27,593.38x = 38,078.67 × 15,018.13
  4. Step 4: Simplify right side
    27,593.38x = 571,870,416.29
  5. Step 5: Solve for x
    x = 571,870,416.29/27,593.38
  6. Step 6: Final answer
    x = 20,724.91

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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.