Home / 28,603.20-39,472.34-17,425.20

Finding the Fourth Proportional to 28,603.20, 39,472.34 and 17,425.20

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Solution

The fourth proportional to 28,603.20, 39,472.34 and 17,425.20 is: 24,046.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,603.20 : 39,472.34 = 17,425.20 : x
  2. Step 2: Convert to fraction form
    28,603.20/39,472.34 = 17,425.20/x
  3. Step 3: Cross multiply
    28,603.20x = 39,472.34 × 17,425.20
  4. Step 4: Simplify right side
    28,603.20x = 687,813,418.97
  5. Step 5: Solve for x
    x = 687,813,418.97/28,603.20
  6. Step 6: Final answer
    x = 24,046.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.