Home / 21,627.26-29,845.58-12,195.82

Finding the Fourth Proportional to 21,627.26, 29,845.58 and 12,195.82

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Solution

The fourth proportional to 21,627.26, 29,845.58 and 12,195.82 is: 16,830.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,627.26 : 29,845.58 = 12,195.82 : x
  2. Step 2: Convert to fraction form
    21,627.26/29,845.58 = 12,195.82/x
  3. Step 3: Cross multiply
    21,627.26x = 29,845.58 × 12,195.82
  4. Step 4: Simplify right side
    21,627.26x = 363,991,321.48
  5. Step 5: Solve for x
    x = 363,991,321.48/21,627.26
  6. Step 6: Final answer
    x = 16,830.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.