Home / 28,528.20-39,375.78-16,600.20

Finding the Fourth Proportional to 28,528.20, 39,375.78 and 16,600.20

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Solution

The fourth proportional to 28,528.20, 39,375.78 and 16,600.20 is: 22,912.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,528.20 : 39,375.78 = 16,600.20 : x
  2. Step 2: Convert to fraction form
    28,528.20/39,375.78 = 16,600.20/x
  3. Step 3: Cross multiply
    28,528.20x = 39,375.78 × 16,600.20
  4. Step 4: Simplify right side
    28,528.20x = 653,645,823.16
  5. Step 5: Solve for x
    x = 653,645,823.16/28,528.20
  6. Step 6: Final answer
    x = 22,912.27

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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.