Home / 43,375.68-65,121.12-27,800.64

Finding the Fourth Proportional to 43,375.68, 65,121.12 and 27,800.64

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Solution

The fourth proportional to 43,375.68, 65,121.12 and 27,800.64 is: 41,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,375.68 : 65,121.12 = 27,800.64 : x
  2. Step 2: Convert to fraction form
    43,375.68/65,121.12 = 27,800.64/x
  3. Step 3: Cross multiply
    43,375.68x = 65,121.12 × 27,800.64
  4. Step 4: Simplify right side
    43,375.68x = 1,810,408,813.52
  5. Step 5: Solve for x
    x = 1,810,408,813.52/43,375.68
  6. Step 6: Final answer
    x = 41,737.88

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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.