Home / 43,431.62-65,147.24-28,532.76

Finding the Fourth Proportional to 43,431.62, 65,147.24 and 28,532.76

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Solution

The fourth proportional to 43,431.62, 65,147.24 and 28,532.76 is: 42,799.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,431.62 : 65,147.24 = 28,532.76 : x
  2. Step 2: Convert to fraction form
    43,431.62/65,147.24 = 28,532.76/x
  3. Step 3: Cross multiply
    43,431.62x = 65,147.24 × 28,532.76
  4. Step 4: Simplify right side
    43,431.62x = 1,858,830,420.92
  5. Step 5: Solve for x
    x = 1,858,830,420.92/43,431.62
  6. Step 6: Final answer
    x = 42,799.02

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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.