Home / 26,857.62-40,323.11-18,517.05

Finding the Fourth Proportional to 26,857.62, 40,323.11 and 18,517.05

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Solution

The fourth proportional to 26,857.62, 40,323.11 and 18,517.05 is: 27,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,857.62 : 40,323.11 = 18,517.05 : x
  2. Step 2: Convert to fraction form
    26,857.62/40,323.11 = 18,517.05/x
  3. Step 3: Cross multiply
    26,857.62x = 40,323.11 × 18,517.05
  4. Step 4: Simplify right side
    26,857.62x = 746,664,951.44
  5. Step 5: Solve for x
    x = 746,664,951.44/26,857.62
  6. Step 6: Final answer
    x = 27,800.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.