Home / 25,379.97-38,072.51-8,737.80

Finding the Fourth Proportional to 25,379.97, 38,072.51 and 8,737.80

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Solution

The fourth proportional to 25,379.97, 38,072.51 and 8,737.80 is: 13,107.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.97 : 38,072.51 = 8,737.80 : x
  2. Step 2: Convert to fraction form
    25,379.97/38,072.51 = 8,737.80/x
  3. Step 3: Cross multiply
    25,379.97x = 38,072.51 × 8,737.80
  4. Step 4: Simplify right side
    25,379.97x = 332,669,934.19
  5. Step 5: Solve for x
    x = 332,669,934.19/25,379.97
  6. Step 6: Final answer
    x = 13,107.58

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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.