Home / 38,171.30-57,217.75-15,997.55

Finding the Fourth Proportional to 38,171.30, 57,217.75 and 15,997.55

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Solution

The fourth proportional to 38,171.30, 57,217.75 and 15,997.55 is: 23,979.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,171.30 : 57,217.75 = 15,997.55 : x
  2. Step 2: Convert to fraction form
    38,171.30/57,217.75 = 15,997.55/x
  3. Step 3: Cross multiply
    38,171.30x = 57,217.75 × 15,997.55
  4. Step 4: Simplify right side
    38,171.30x = 915,343,490.43
  5. Step 5: Solve for x
    x = 915,343,490.43/38,171.30
  6. Step 6: Final answer
    x = 23,979.89

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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.