Home / 20,737.14-31,125.76-19,613.27

Finding the Fourth Proportional to 20,737.14, 31,125.76 and 19,613.27

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Solution

The fourth proportional to 20,737.14, 31,125.76 and 19,613.27 is: 29,438.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737.14 : 31,125.76 = 19,613.27 : x
  2. Step 2: Convert to fraction form
    20,737.14/31,125.76 = 19,613.27/x
  3. Step 3: Cross multiply
    20,737.14x = 31,125.76 × 19,613.27
  4. Step 4: Simplify right side
    20,737.14x = 610,477,934.84
  5. Step 5: Solve for x
    x = 610,477,934.84/20,737.14
  6. Step 6: Final answer
    x = 29,438.87

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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.