Home / 25,607.24-38,380.16-16,726.78

Finding the Fourth Proportional to 25,607.24, 38,380.16 and 16,726.78

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Solution

The fourth proportional to 25,607.24, 38,380.16 and 16,726.78 is: 25,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,607.24 : 38,380.16 = 16,726.78 : x
  2. Step 2: Convert to fraction form
    25,607.24/38,380.16 = 16,726.78/x
  3. Step 3: Cross multiply
    25,607.24x = 38,380.16 × 16,726.78
  4. Step 4: Simplify right side
    25,607.24x = 641,976,492.68
  5. Step 5: Solve for x
    x = 641,976,492.68/25,607.24
  6. Step 6: Final answer
    x = 25,070.12

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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.