Home / 27,620.04-38,115.28-15,044.78

Finding the Fourth Proportional to 27,620.04, 38,115.28 and 15,044.78

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Solution

The fourth proportional to 27,620.04, 38,115.28 and 15,044.78 is: 20,761.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,620.04 : 38,115.28 = 15,044.78 : x
  2. Step 2: Convert to fraction form
    27,620.04/38,115.28 = 15,044.78/x
  3. Step 3: Cross multiply
    27,620.04x = 38,115.28 × 15,044.78
  4. Step 4: Simplify right side
    27,620.04x = 573,436,002.24
  5. Step 5: Solve for x
    x = 573,436,002.24/27,620.04
  6. Step 6: Final answer
    x = 20,761.59

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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.