Home / 20,025.75-27,634.45-11,072.73

Finding the Fourth Proportional to 20,025.75, 27,634.45 and 11,072.73

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Solution

The fourth proportional to 20,025.75, 27,634.45 and 11,072.73 is: 15,279.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.75 : 27,634.45 = 11,072.73 : x
  2. Step 2: Convert to fraction form
    20,025.75/27,634.45 = 11,072.73/x
  3. Step 3: Cross multiply
    20,025.75x = 27,634.45 × 11,072.73
  4. Step 4: Simplify right side
    20,025.75x = 305,988,803.55
  5. Step 5: Solve for x
    x = 305,988,803.55/20,025.75
  6. Step 6: Final answer
    x = 15,279.77

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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.