Home / 28,411.62-39,200.13-16,472.58

Finding the Fourth Proportional to 28,411.62, 39,200.13 and 16,472.58

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Solution

The fourth proportional to 28,411.62, 39,200.13 and 16,472.58 is: 22,727.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,411.62 : 39,200.13 = 16,472.58 : x
  2. Step 2: Convert to fraction form
    28,411.62/39,200.13 = 16,472.58/x
  3. Step 3: Cross multiply
    28,411.62x = 39,200.13 × 16,472.58
  4. Step 4: Simplify right side
    28,411.62x = 645,727,277.44
  5. Step 5: Solve for x
    x = 645,727,277.44/28,411.62
  6. Step 6: Final answer
    x = 22,727.58

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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.