Home / 26,382.68-39,538.36-10,791.80

Finding the Fourth Proportional to 26,382.68, 39,538.36 and 10,791.80

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Solution

The fourth proportional to 26,382.68, 39,538.36 and 10,791.80 is: 16,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,382.68 : 39,538.36 = 10,791.80 : x
  2. Step 2: Convert to fraction form
    26,382.68/39,538.36 = 10,791.80/x
  3. Step 3: Cross multiply
    26,382.68x = 39,538.36 × 10,791.80
  4. Step 4: Simplify right side
    26,382.68x = 426,690,073.45
  5. Step 5: Solve for x
    x = 426,690,073.45/26,382.68
  6. Step 6: Final answer
    x = 16,173.11

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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.