Home / 28,796.69-43,177.20-11,245.88

Finding the Fourth Proportional to 28,796.69, 43,177.20 and 11,245.88

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Solution

The fourth proportional to 28,796.69, 43,177.20 and 11,245.88 is: 16,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,796.69 : 43,177.20 = 11,245.88 : x
  2. Step 2: Convert to fraction form
    28,796.69/43,177.20 = 11,245.88/x
  3. Step 3: Cross multiply
    28,796.69x = 43,177.20 × 11,245.88
  4. Step 4: Simplify right side
    28,796.69x = 485,565,394.05
  5. Step 5: Solve for x
    x = 485,565,394.05/28,796.69
  6. Step 6: Final answer
    x = 16,861.85

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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.