Home / 26,305.20-39,414.60-21,898.80

Finding the Fourth Proportional to 26,305.20, 39,414.60 and 21,898.80

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Solution

The fourth proportional to 26,305.20, 39,414.60 and 21,898.80 is: 32,812.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,305.20 : 39,414.60 = 21,898.80 : x
  2. Step 2: Convert to fraction form
    26,305.20/39,414.60 = 21,898.80/x
  3. Step 3: Cross multiply
    26,305.20x = 39,414.60 × 21,898.80
  4. Step 4: Simplify right side
    26,305.20x = 863,132,442.48
  5. Step 5: Solve for x
    x = 863,132,442.48/26,305.20
  6. Step 6: Final answer
    x = 32,812.24

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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.