Home / 27,593.32-38,079.78-15,018.28

Finding the Fourth Proportional to 27,593.32, 38,079.78 and 15,018.28

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Solution

The fourth proportional to 27,593.32, 38,079.78 and 15,018.28 is: 20,725.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,593.32 : 38,079.78 = 15,018.28 : x
  2. Step 2: Convert to fraction form
    27,593.32/38,079.78 = 15,018.28/x
  3. Step 3: Cross multiply
    27,593.32x = 38,079.78 × 15,018.28
  4. Step 4: Simplify right side
    27,593.32x = 571,892,798.38
  5. Step 5: Solve for x
    x = 571,892,798.38/27,593.32
  6. Step 6: Final answer
    x = 20,725.77

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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.