Home / 26,276.12-39,414.18-15,865.88

Finding the Fourth Proportional to 26,276.12, 39,414.18 and 15,865.88

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Solution

The fourth proportional to 26,276.12, 39,414.18 and 15,865.88 is: 23,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,276.12 : 39,414.18 = 15,865.88 : x
  2. Step 2: Convert to fraction form
    26,276.12/39,414.18 = 15,865.88/x
  3. Step 3: Cross multiply
    26,276.12x = 39,414.18 × 15,865.88
  4. Step 4: Simplify right side
    26,276.12x = 625,340,650.18
  5. Step 5: Solve for x
    x = 625,340,650.18/26,276.12
  6. Step 6: Final answer
    x = 23,798.82

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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.