Home / 21,057.03-29,057.94-11,625.39

Finding the Fourth Proportional to 21,057.03, 29,057.94 and 11,625.39

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Solution

The fourth proportional to 21,057.03, 29,057.94 and 11,625.39 is: 16,042.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,057.03 : 29,057.94 = 11,625.39 : x
  2. Step 2: Convert to fraction form
    21,057.03/29,057.94 = 11,625.39/x
  3. Step 3: Cross multiply
    21,057.03x = 29,057.94 × 11,625.39
  4. Step 4: Simplify right side
    21,057.03x = 337,809,885.10
  5. Step 5: Solve for x
    x = 337,809,885.10/21,057.03
  6. Step 6: Final answer
    x = 16,042.62

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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.