Home / 26,857.38-40,288.22-8,389.38

Finding the Fourth Proportional to 26,857.38, 40,288.22 and 8,389.38

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Solution

The fourth proportional to 26,857.38, 40,288.22 and 8,389.38 is: 12,584.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,857.38 : 40,288.22 = 8,389.38 : x
  2. Step 2: Convert to fraction form
    26,857.38/40,288.22 = 8,389.38/x
  3. Step 3: Cross multiply
    26,857.38x = 40,288.22 × 8,389.38
  4. Step 4: Simplify right side
    26,857.38x = 337,993,006.64
  5. Step 5: Solve for x
    x = 337,993,006.64/26,857.38
  6. Step 6: Final answer
    x = 12,584.74

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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.