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Finding the Fourth Proportional to 25,834.86, 38,758.86 and 7,366.86

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Solution

The fourth proportional to 25,834.86, 38,758.86 and 7,366.86 is: 11,052.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,834.86 : 38,758.86 = 7,366.86 : x
  2. Step 2: Convert to fraction form
    25,834.86/38,758.86 = 7,366.86/x
  3. Step 3: Cross multiply
    25,834.86x = 38,758.86 × 7,366.86
  4. Step 4: Simplify right side
    25,834.86x = 285,531,095.38
  5. Step 5: Solve for x
    x = 285,531,095.38/25,834.86
  6. Step 6: Final answer
    x = 11,052.16

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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.