Home / 26,542.78-39,786.24-13,367.48

Finding the Fourth Proportional to 26,542.78, 39,786.24 and 13,367.48

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Solution

The fourth proportional to 26,542.78, 39,786.24 and 13,367.48 is: 20,037.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,542.78 : 39,786.24 = 13,367.48 : x
  2. Step 2: Convert to fraction form
    26,542.78/39,786.24 = 13,367.48/x
  3. Step 3: Cross multiply
    26,542.78x = 39,786.24 × 13,367.48
  4. Step 4: Simplify right side
    26,542.78x = 531,841,767.48
  5. Step 5: Solve for x
    x = 531,841,767.48/26,542.78
  6. Step 6: Final answer
    x = 20,037.15

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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.