Home / 25,731.78-38,597.70-10,149

Finding the Fourth Proportional to 25,731.78, 38,597.70 and 10,149

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Solution

The fourth proportional to 25,731.78, 38,597.70 and 10,149 is: 15,223.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,731.78 : 38,597.70 = 10,149 : x
  2. Step 2: Convert to fraction form
    25,731.78/38,597.70 = 10,149/x
  3. Step 3: Cross multiply
    25,731.78x = 38,597.70 × 10,149
  4. Step 4: Simplify right side
    25,731.78x = 391,728,057.30
  5. Step 5: Solve for x
    x = 391,728,057.30/25,731.78
  6. Step 6: Final answer
    x = 15,223.51

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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.