Home / 38,917.80-58,355.10-15,517.80

Finding the Fourth Proportional to 38,917.80, 58,355.10 and 15,517.80

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Solution

The fourth proportional to 38,917.80, 58,355.10 and 15,517.80 is: 23,268.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,917.80 : 58,355.10 = 15,517.80 : x
  2. Step 2: Convert to fraction form
    38,917.80/58,355.10 = 15,517.80/x
  3. Step 3: Cross multiply
    38,917.80x = 58,355.10 × 15,517.80
  4. Step 4: Simplify right side
    38,917.80x = 905,542,770.78
  5. Step 5: Solve for x
    x = 905,542,770.78/38,917.80
  6. Step 6: Final answer
    x = 23,268.09

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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.