Home / 25,385.75-38,100.50-12,249.17

Finding the Fourth Proportional to 25,385.75, 38,100.50 and 12,249.17

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Solution

The fourth proportional to 25,385.75, 38,100.50 and 12,249.17 is: 18,384.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,385.75 : 38,100.50 = 12,249.17 : x
  2. Step 2: Convert to fraction form
    25,385.75/38,100.50 = 12,249.17/x
  3. Step 3: Cross multiply
    25,385.75x = 38,100.50 × 12,249.17
  4. Step 4: Simplify right side
    25,385.75x = 466,699,438.65
  5. Step 5: Solve for x
    x = 466,699,438.65/25,385.75
  6. Step 6: Final answer
    x = 18,384.31

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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.