Home / 25,553.38-38,317.11-11,690.50

Finding the Fourth Proportional to 25,553.38, 38,317.11 and 11,690.50

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Solution

The fourth proportional to 25,553.38, 38,317.11 and 11,690.50 is: 17,529.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,553.38 : 38,317.11 = 11,690.50 : x
  2. Step 2: Convert to fraction form
    25,553.38/38,317.11 = 11,690.50/x
  3. Step 3: Cross multiply
    25,553.38x = 38,317.11 × 11,690.50
  4. Step 4: Simplify right side
    25,553.38x = 447,946,174.46
  5. Step 5: Solve for x
    x = 447,946,174.46/25,553.38
  6. Step 6: Final answer
    x = 17,529.82

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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.