Home / 28,861.60-43,293.48-8,084.56

Finding the Fourth Proportional to 28,861.60, 43,293.48 and 8,084.56

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Solution

The fourth proportional to 28,861.60, 43,293.48 and 8,084.56 is: 12,127.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,861.60 : 43,293.48 = 8,084.56 : x
  2. Step 2: Convert to fraction form
    28,861.60/43,293.48 = 8,084.56/x
  3. Step 3: Cross multiply
    28,861.60x = 43,293.48 × 8,084.56
  4. Step 4: Simplify right side
    28,861.60x = 350,008,736.67
  5. Step 5: Solve for x
    x = 350,008,736.67/28,861.60
  6. Step 6: Final answer
    x = 12,127.14

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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.