Home / 26,761.46-40,142.85-8,992.38

Finding the Fourth Proportional to 26,761.46, 40,142.85 and 8,992.38

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Solution

The fourth proportional to 26,761.46, 40,142.85 and 8,992.38 is: 13,488.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,761.46 : 40,142.85 = 8,992.38 : x
  2. Step 2: Convert to fraction form
    26,761.46/40,142.85 = 8,992.38/x
  3. Step 3: Cross multiply
    26,761.46x = 40,142.85 × 8,992.38
  4. Step 4: Simplify right side
    26,761.46x = 360,979,715.27
  5. Step 5: Solve for x
    x = 360,979,715.27/26,761.46
  6. Step 6: Final answer
    x = 13,488.79

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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.