Home / 28,917.56-43,376.28-8,141

Finding the Fourth Proportional to 28,917.56, 43,376.28 and 8,141

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Solution

The fourth proportional to 28,917.56, 43,376.28 and 8,141 is: 12,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,917.56 : 43,376.28 = 8,141 : x
  2. Step 2: Convert to fraction form
    28,917.56/43,376.28 = 8,141/x
  3. Step 3: Cross multiply
    28,917.56x = 43,376.28 × 8,141
  4. Step 4: Simplify right side
    28,917.56x = 353,126,295.48
  5. Step 5: Solve for x
    x = 353,126,295.48/28,917.56
  6. Step 6: Final answer
    x = 12,211.48

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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.