Home / 28,992.85-43,475.57-11,231.83

Finding the Fourth Proportional to 28,992.85, 43,475.57 and 11,231.83

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Solution

The fourth proportional to 28,992.85, 43,475.57 and 11,231.83 is: 16,842.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992.85 : 43,475.57 = 11,231.83 : x
  2. Step 2: Convert to fraction form
    28,992.85/43,475.57 = 11,231.83/x
  3. Step 3: Cross multiply
    28,992.85x = 43,475.57 × 11,231.83
  4. Step 4: Simplify right side
    28,992.85x = 488,310,046.55
  5. Step 5: Solve for x
    x = 488,310,046.55/28,992.85
  6. Step 6: Final answer
    x = 16,842.43

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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.