Home / 20,180.44-27,845.79-11,227.91

Finding the Fourth Proportional to 20,180.44, 27,845.79 and 11,227.91

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Solution

The fourth proportional to 20,180.44, 27,845.79 and 11,227.91 is: 15,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.44 : 27,845.79 = 11,227.91 : x
  2. Step 2: Convert to fraction form
    20,180.44/27,845.79 = 11,227.91/x
  3. Step 3: Cross multiply
    20,180.44x = 27,845.79 × 11,227.91
  4. Step 4: Simplify right side
    20,180.44x = 312,650,024.00
  5. Step 5: Solve for x
    x = 312,650,024.00/20,180.44
  6. Step 6: Final answer
    x = 15,492.73

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1.5x scale

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.