Home / 29,311.05-40,449.44-15,882.41

Finding the Fourth Proportional to 29,311.05, 40,449.44 and 15,882.41

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Solution

The fourth proportional to 29,311.05, 40,449.44 and 15,882.41 is: 21,917.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,311.05 : 40,449.44 = 15,882.41 : x
  2. Step 2: Convert to fraction form
    29,311.05/40,449.44 = 15,882.41/x
  3. Step 3: Cross multiply
    29,311.05x = 40,449.44 × 15,882.41
  4. Step 4: Simplify right side
    29,311.05x = 642,434,590.35
  5. Step 5: Solve for x
    x = 642,434,590.35/29,311.05
  6. Step 6: Final answer
    x = 21,917.83

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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.