Home / 20,600.87-28,407.92-17,626.55

Finding the Fourth Proportional to 20,600.87, 28,407.92 and 17,626.55

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Solution

The fourth proportional to 20,600.87, 28,407.92 and 17,626.55 is: 24,306.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,600.87 : 28,407.92 = 17,626.55 : x
  2. Step 2: Convert to fraction form
    20,600.87/28,407.92 = 17,626.55/x
  3. Step 3: Cross multiply
    20,600.87x = 28,407.92 × 17,626.55
  4. Step 4: Simplify right side
    20,600.87x = 500,733,392.10
  5. Step 5: Solve for x
    x = 500,733,392.10/20,600.87
  6. Step 6: Final answer
    x = 24,306.43

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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.