Home / 26,311.20-36,247.68-18,338.88

Finding the Fourth Proportional to 26,311.20, 36,247.68 and 18,338.88

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Solution

The fourth proportional to 26,311.20, 36,247.68 and 18,338.88 is: 25,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,311.20 : 36,247.68 = 18,338.88 : x
  2. Step 2: Convert to fraction form
    26,311.20/36,247.68 = 18,338.88/x
  3. Step 3: Cross multiply
    26,311.20x = 36,247.68 × 18,338.88
  4. Step 4: Simplify right side
    26,311.20x = 664,741,853.80
  5. Step 5: Solve for x
    x = 664,741,853.80/26,311.20
  6. Step 6: Final answer
    x = 25,264.60

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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.