Home / 28,659.20-39,553.32-16,083.95

Finding the Fourth Proportional to 28,659.20, 39,553.32 and 16,083.95

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Solution

The fourth proportional to 28,659.20, 39,553.32 and 16,083.95 is: 22,197.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659.20 : 39,553.32 = 16,083.95 : x
  2. Step 2: Convert to fraction form
    28,659.20/39,553.32 = 16,083.95/x
  3. Step 3: Cross multiply
    28,659.20x = 39,553.32 × 16,083.95
  4. Step 4: Simplify right side
    28,659.20x = 636,173,423.45
  5. Step 5: Solve for x
    x = 636,173,423.45/28,659.20
  6. Step 6: Final answer
    x = 22,197.88

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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.