Home / 26,743.68-36,910.32-15,414.86

Finding the Fourth Proportional to 26,743.68, 36,910.32 and 15,414.86

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Solution

The fourth proportional to 26,743.68, 36,910.32 and 15,414.86 is: 21,274.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,743.68 : 36,910.32 = 15,414.86 : x
  2. Step 2: Convert to fraction form
    26,743.68/36,910.32 = 15,414.86/x
  3. Step 3: Cross multiply
    26,743.68x = 36,910.32 × 15,414.86
  4. Step 4: Simplify right side
    26,743.68x = 568,967,230.80
  5. Step 5: Solve for x
    x = 568,967,230.80/26,743.68
  6. Step 6: Final answer
    x = 21,274.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.