Home / 25,469.68-38,159.32-10,645.92

Finding the Fourth Proportional to 25,469.68, 38,159.32 and 10,645.92

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Solution

The fourth proportional to 25,469.68, 38,159.32 and 10,645.92 is: 15,949.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,469.68 : 38,159.32 = 10,645.92 : x
  2. Step 2: Convert to fraction form
    25,469.68/38,159.32 = 10,645.92/x
  3. Step 3: Cross multiply
    25,469.68x = 38,159.32 × 10,645.92
  4. Step 4: Simplify right side
    25,469.68x = 406,241,067.97
  5. Step 5: Solve for x
    x = 406,241,067.97/25,469.68
  6. Step 6: Final answer
    x = 15,949.99

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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.