Home / 38,196.55-57,257.92-13,217.82

Finding the Fourth Proportional to 38,196.55, 57,257.92 and 13,217.82

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Solution

The fourth proportional to 38,196.55, 57,257.92 and 13,217.82 is: 19,813.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,196.55 : 57,257.92 = 13,217.82 : x
  2. Step 2: Convert to fraction form
    38,196.55/57,257.92 = 13,217.82/x
  3. Step 3: Cross multiply
    38,196.55x = 57,257.92 × 13,217.82
  4. Step 4: Simplify right side
    38,196.55x = 756,824,880.13
  5. Step 5: Solve for x
    x = 756,824,880.13/38,196.55
  6. Step 6: Final answer
    x = 19,813.96

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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.