Home / 26,559.20-39,781.20-21,951.20

Finding the Fourth Proportional to 26,559.20, 39,781.20 and 21,951.20

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Solution

The fourth proportional to 26,559.20, 39,781.20 and 21,951.20 is: 32,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,559.20 : 39,781.20 = 21,951.20 : x
  2. Step 2: Convert to fraction form
    26,559.20/39,781.20 = 21,951.20/x
  3. Step 3: Cross multiply
    26,559.20x = 39,781.20 × 21,951.20
  4. Step 4: Simplify right side
    26,559.20x = 873,245,077.44
  5. Step 5: Solve for x
    x = 873,245,077.44/26,559.20
  6. Step 6: Final answer
    x = 32,879.19

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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.