Home / 20,224.87-27,910.46-11,272.95

Finding the Fourth Proportional to 20,224.87, 27,910.46 and 11,272.95

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Solution

The fourth proportional to 20,224.87, 27,910.46 and 11,272.95 is: 15,556.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224.87 : 27,910.46 = 11,272.95 : x
  2. Step 2: Convert to fraction form
    20,224.87/27,910.46 = 11,272.95/x
  3. Step 3: Cross multiply
    20,224.87x = 27,910.46 × 11,272.95
  4. Step 4: Simplify right side
    20,224.87x = 314,633,205.97
  5. Step 5: Solve for x
    x = 314,633,205.97/20,224.87
  6. Step 6: Final answer
    x = 15,556.75

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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.