Home / 26,367.20-39,550.80-10,781.18

Finding the Fourth Proportional to 26,367.20, 39,550.80 and 10,781.18

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Solution

The fourth proportional to 26,367.20, 39,550.80 and 10,781.18 is: 16,171.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,367.20 : 39,550.80 = 10,781.18 : x
  2. Step 2: Convert to fraction form
    26,367.20/39,550.80 = 10,781.18/x
  3. Step 3: Cross multiply
    26,367.20x = 39,550.80 × 10,781.18
  4. Step 4: Simplify right side
    26,367.20x = 426,404,293.94
  5. Step 5: Solve for x
    x = 426,404,293.94/26,367.20
  6. Step 6: Final answer
    x = 16,171.77

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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.