Home / 38,171.45-57,279.49-15,982.92

Finding the Fourth Proportional to 38,171.45, 57,279.49 and 15,982.92

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Solution

The fourth proportional to 38,171.45, 57,279.49 and 15,982.92 is: 23,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,171.45 : 57,279.49 = 15,982.92 : x
  2. Step 2: Convert to fraction form
    38,171.45/57,279.49 = 15,982.92/x
  3. Step 3: Cross multiply
    38,171.45x = 57,279.49 × 15,982.92
  4. Step 4: Simplify right side
    38,171.45x = 915,493,466.35
  5. Step 5: Solve for x
    x = 915,493,466.35/38,171.45
  6. Step 6: Final answer
    x = 23,983.72

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.