Home / 38,569.72-57,863.26-13,611.54

Finding the Fourth Proportional to 38,569.72, 57,863.26 and 13,611.54

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Solution

The fourth proportional to 38,569.72, 57,863.26 and 13,611.54 is: 20,420.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,569.72 : 57,863.26 = 13,611.54 : x
  2. Step 2: Convert to fraction form
    38,569.72/57,863.26 = 13,611.54/x
  3. Step 3: Cross multiply
    38,569.72x = 57,863.26 × 13,611.54
  4. Step 4: Simplify right side
    38,569.72x = 787,608,078.02
  5. Step 5: Solve for x
    x = 787,608,078.02/38,569.72
  6. Step 6: Final answer
    x = 20,420.37

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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.