Home / 25,102.08-37,658.56-21,429.76

Finding the Fourth Proportional to 25,102.08, 37,658.56 and 21,429.76

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Solution

The fourth proportional to 25,102.08, 37,658.56 and 21,429.76 is: 32,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,102.08 : 37,658.56 = 21,429.76 : x
  2. Step 2: Convert to fraction form
    25,102.08/37,658.56 = 21,429.76/x
  3. Step 3: Cross multiply
    25,102.08x = 37,658.56 × 21,429.76
  4. Step 4: Simplify right side
    25,102.08x = 807,013,902.75
  5. Step 5: Solve for x
    x = 807,013,902.75/25,102.08
  6. Step 6: Final answer
    x = 32,149.28

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1.5x scale

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.