Home / 28,856.62-39,820.17-16,592.38

Finding the Fourth Proportional to 28,856.62, 39,820.17 and 16,592.38

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Solution

The fourth proportional to 28,856.62, 39,820.17 and 16,592.38 is: 22,896.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.62 : 39,820.17 = 16,592.38 : x
  2. Step 2: Convert to fraction form
    28,856.62/39,820.17 = 16,592.38/x
  3. Step 3: Cross multiply
    28,856.62x = 39,820.17 × 16,592.38
  4. Step 4: Simplify right side
    28,856.62x = 660,711,392.30
  5. Step 5: Solve for x
    x = 660,711,392.30/28,856.62
  6. Step 6: Final answer
    x = 22,896.35

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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.