Home / 38,712.13-58,070.90-15,338.50

Finding the Fourth Proportional to 38,712.13, 58,070.90 and 15,338.50

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Solution

The fourth proportional to 38,712.13, 58,070.90 and 15,338.50 is: 23,008.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,712.13 : 58,070.90 = 15,338.50 : x
  2. Step 2: Convert to fraction form
    38,712.13/58,070.90 = 15,338.50/x
  3. Step 3: Cross multiply
    38,712.13x = 58,070.90 × 15,338.50
  4. Step 4: Simplify right side
    38,712.13x = 890,720,499.65
  5. Step 5: Solve for x
    x = 890,720,499.65/38,712.13
  6. Step 6: Final answer
    x = 23,008.82

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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.