Home / 26,269.80-39,404.32-12,221.97

Finding the Fourth Proportional to 26,269.80, 39,404.32 and 12,221.97

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Solution

The fourth proportional to 26,269.80, 39,404.32 and 12,221.97 is: 18,332.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,269.80 : 39,404.32 = 12,221.97 : x
  2. Step 2: Convert to fraction form
    26,269.80/39,404.32 = 12,221.97/x
  3. Step 3: Cross multiply
    26,269.80x = 39,404.32 × 12,221.97
  4. Step 4: Simplify right side
    26,269.80x = 481,598,602.87
  5. Step 5: Solve for x
    x = 481,598,602.87/26,269.80
  6. Step 6: Final answer
    x = 18,332.78

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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.