Home / 28,796.31-43,176.65-11,245.50

Finding the Fourth Proportional to 28,796.31, 43,176.65 and 11,245.50

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Solution

The fourth proportional to 28,796.31, 43,176.65 and 11,245.50 is: 16,861.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,796.31 : 43,176.65 = 11,245.50 : x
  2. Step 2: Convert to fraction form
    28,796.31/43,176.65 = 11,245.50/x
  3. Step 3: Cross multiply
    28,796.31x = 43,176.65 × 11,245.50
  4. Step 4: Simplify right side
    28,796.31x = 485,542,961.35
  5. Step 5: Solve for x
    x = 485,542,961.35/28,796.31
  6. Step 6: Final answer
    x = 16,861.29

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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.