Home / 25,363.62-38,031.03-21,229.38

Finding the Fourth Proportional to 25,363.62, 38,031.03 and 21,229.38

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Solution

The fourth proportional to 25,363.62, 38,031.03 and 21,229.38 is: 31,832.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,363.62 : 38,031.03 = 21,229.38 : x
  2. Step 2: Convert to fraction form
    25,363.62/38,031.03 = 21,229.38/x
  3. Step 3: Cross multiply
    25,363.62x = 38,031.03 × 21,229.38
  4. Step 4: Simplify right side
    25,363.62x = 807,375,187.66
  5. Step 5: Solve for x
    x = 807,375,187.66/25,363.62
  6. Step 6: Final answer
    x = 31,832.02

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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.