Home / 27,876.76-41,775.82-21,607.44

Finding the Fourth Proportional to 27,876.76, 41,775.82 and 21,607.44

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Solution

The fourth proportional to 27,876.76, 41,775.82 and 21,607.44 is: 32,380.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,876.76 : 41,775.82 = 21,607.44 : x
  2. Step 2: Convert to fraction form
    27,876.76/41,775.82 = 21,607.44/x
  3. Step 3: Cross multiply
    27,876.76x = 41,775.82 × 21,607.44
  4. Step 4: Simplify right side
    27,876.76x = 902,668,524.10
  5. Step 5: Solve for x
    x = 902,668,524.10/27,876.76
  6. Step 6: Final answer
    x = 32,380.68

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1.5x scale

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.