Home / 20,025.64-27,634.60-11,072.56

Finding the Fourth Proportional to 20,025.64, 27,634.60 and 11,072.56

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Solution

The fourth proportional to 20,025.64, 27,634.60 and 11,072.56 is: 15,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.64 : 27,634.60 = 11,072.56 : x
  2. Step 2: Convert to fraction form
    20,025.64/27,634.60 = 11,072.56/x
  3. Step 3: Cross multiply
    20,025.64x = 27,634.60 × 11,072.56
  4. Step 4: Simplify right side
    20,025.64x = 305,985,766.58
  5. Step 5: Solve for x
    x = 305,985,766.58/20,025.64
  6. Step 6: Final answer
    x = 15,279.70

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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.