Home / 27,938.85-41,910.30-16,821.60

Finding the Fourth Proportional to 27,938.85, 41,910.30 and 16,821.60

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Solution

The fourth proportional to 27,938.85, 41,910.30 and 16,821.60 is: 25,233.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,938.85 : 41,910.30 = 16,821.60 : x
  2. Step 2: Convert to fraction form
    27,938.85/41,910.30 = 16,821.60/x
  3. Step 3: Cross multiply
    27,938.85x = 41,910.30 × 16,821.60
  4. Step 4: Simplify right side
    27,938.85x = 704,998,302.48
  5. Step 5: Solve for x
    x = 704,998,302.48/27,938.85
  6. Step 6: Final answer
    x = 25,233.62

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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.