Home / 26,308.80-39,412.17-13,172.22

Finding the Fourth Proportional to 26,308.80, 39,412.17 and 13,172.22

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Solution

The fourth proportional to 26,308.80, 39,412.17 and 13,172.22 is: 19,732.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,308.80 : 39,412.17 = 13,172.22 : x
  2. Step 2: Convert to fraction form
    26,308.80/39,412.17 = 13,172.22/x
  3. Step 3: Cross multiply
    26,308.80x = 39,412.17 × 13,172.22
  4. Step 4: Simplify right side
    26,308.80x = 519,145,773.92
  5. Step 5: Solve for x
    x = 519,145,773.92/26,308.80
  6. Step 6: Final answer
    x = 19,732.78

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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.