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Finding the Fourth Proportional to 38,475.66, 57,717.48 and 10,395.88

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Solution

The fourth proportional to 38,475.66, 57,717.48 and 10,395.88 is: 15,594.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,475.66 : 57,717.48 = 10,395.88 : x
  2. Step 2: Convert to fraction form
    38,475.66/57,717.48 = 10,395.88/x
  3. Step 3: Cross multiply
    38,475.66x = 57,717.48 × 10,395.88
  4. Step 4: Simplify right side
    38,475.66x = 600,023,995.98
  5. Step 5: Solve for x
    x = 600,023,995.98/38,475.66
  6. Step 6: Final answer
    x = 15,594.90

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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.