Home / 26,761.43-40,142.24-8,991.59

Finding the Fourth Proportional to 26,761.43, 40,142.24 and 8,991.59

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Solution

The fourth proportional to 26,761.43, 40,142.24 and 8,991.59 is: 13,487.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,761.43 : 40,142.24 = 8,991.59 : x
  2. Step 2: Convert to fraction form
    26,761.43/40,142.24 = 8,991.59/x
  3. Step 3: Cross multiply
    26,761.43x = 40,142.24 × 8,991.59
  4. Step 4: Simplify right side
    26,761.43x = 360,942,318.09
  5. Step 5: Solve for x
    x = 360,942,318.09/26,761.43
  6. Step 6: Final answer
    x = 13,487.41

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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.