Home / 26,229.16-39,350.76-11,439.28

Finding the Fourth Proportional to 26,229.16, 39,350.76 and 11,439.28

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Solution

The fourth proportional to 26,229.16, 39,350.76 and 11,439.28 is: 17,161.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,229.16 : 39,350.76 = 11,439.28 : x
  2. Step 2: Convert to fraction form
    26,229.16/39,350.76 = 11,439.28/x
  3. Step 3: Cross multiply
    26,229.16x = 39,350.76 × 11,439.28
  4. Step 4: Simplify right side
    26,229.16x = 450,144,361.85
  5. Step 5: Solve for x
    x = 450,144,361.85/26,229.16
  6. Step 6: Final answer
    x = 17,161.98

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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.