Home / 38,878.20-58,341.30-15,502.20

Finding the Fourth Proportional to 38,878.20, 58,341.30 and 15,502.20

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Solution

The fourth proportional to 38,878.20, 58,341.30 and 15,502.20 is: 23,262.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,878.20 : 58,341.30 = 15,502.20 : x
  2. Step 2: Convert to fraction form
    38,878.20/58,341.30 = 15,502.20/x
  3. Step 3: Cross multiply
    38,878.20x = 58,341.30 × 15,502.20
  4. Step 4: Simplify right side
    38,878.20x = 904,418,500.86
  5. Step 5: Solve for x
    x = 904,418,500.86/38,878.20
  6. Step 6: Final answer
    x = 23,262.87

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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.