Home / 25,715.20-38,565.24-10,924

Finding the Fourth Proportional to 25,715.20, 38,565.24 and 10,924

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Solution

The fourth proportional to 25,715.20, 38,565.24 and 10,924 is: 16,382.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,715.20 : 38,565.24 = 10,924 : x
  2. Step 2: Convert to fraction form
    25,715.20/38,565.24 = 10,924/x
  3. Step 3: Cross multiply
    25,715.20x = 38,565.24 × 10,924
  4. Step 4: Simplify right side
    25,715.20x = 421,286,681.76
  5. Step 5: Solve for x
    x = 421,286,681.76/25,715.20
  6. Step 6: Final answer
    x = 16,382.79

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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.