Home / 28,408.17-39,200.95-16,472.23

Finding the Fourth Proportional to 28,408.17, 39,200.95 and 16,472.23

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Solution

The fourth proportional to 28,408.17, 39,200.95 and 16,472.23 is: 22,730.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,408.17 : 39,200.95 = 16,472.23 : x
  2. Step 2: Convert to fraction form
    28,408.17/39,200.95 = 16,472.23/x
  3. Step 3: Cross multiply
    28,408.17x = 39,200.95 × 16,472.23
  4. Step 4: Simplify right side
    28,408.17x = 645,727,064.62
  5. Step 5: Solve for x
    x = 645,727,064.62/28,408.17
  6. Step 6: Final answer
    x = 22,730.33

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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.