Home / 52,569.72-78,865.92-15,129.54

Finding the Fourth Proportional to 52,569.72, 78,865.92 and 15,129.54

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Solution

The fourth proportional to 52,569.72, 78,865.92 and 15,129.54 is: 22,697.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,569.72 : 78,865.92 = 15,129.54 : x
  2. Step 2: Convert to fraction form
    52,569.72/78,865.92 = 15,129.54/x
  3. Step 3: Cross multiply
    52,569.72x = 78,865.92 × 15,129.54
  4. Step 4: Simplify right side
    52,569.72x = 1,193,205,091.28
  5. Step 5: Solve for x
    x = 1,193,205,091.28/52,569.72
  6. Step 6: Final answer
    x = 22,697.57

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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.