Home / 26,891.20-40,337.70-7,171.75

Finding the Fourth Proportional to 26,891.20, 40,337.70 and 7,171.75

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Solution

The fourth proportional to 26,891.20, 40,337.70 and 7,171.75 is: 10,757.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,891.20 : 40,337.70 = 7,171.75 : x
  2. Step 2: Convert to fraction form
    26,891.20/40,337.70 = 7,171.75/x
  3. Step 3: Cross multiply
    26,891.20x = 40,337.70 × 7,171.75
  4. Step 4: Simplify right side
    26,891.20x = 289,291,899.98
  5. Step 5: Solve for x
    x = 289,291,899.98/26,891.20
  6. Step 6: Final answer
    x = 10,757.87

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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.