Home / 28,881.96-43,336.70-15,734.04

Finding the Fourth Proportional to 28,881.96, 43,336.70 and 15,734.04

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Solution

The fourth proportional to 28,881.96, 43,336.70 and 15,734.04 is: 23,608.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881.96 : 43,336.70 = 15,734.04 : x
  2. Step 2: Convert to fraction form
    28,881.96/43,336.70 = 15,734.04/x
  3. Step 3: Cross multiply
    28,881.96x = 43,336.70 × 15,734.04
  4. Step 4: Simplify right side
    28,881.96x = 681,861,371.27
  5. Step 5: Solve for x
    x = 681,861,371.27/28,881.96
  6. Step 6: Final answer
    x = 23,608.56

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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.