Home / 20,229.32-27,917.46-11,277.56

Finding the Fourth Proportional to 20,229.32, 27,917.46 and 11,277.56

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Solution

The fourth proportional to 20,229.32, 27,917.46 and 11,277.56 is: 15,563.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229.32 : 27,917.46 = 11,277.56 : x
  2. Step 2: Convert to fraction form
    20,229.32/27,917.46 = 11,277.56/x
  3. Step 3: Cross multiply
    20,229.32x = 27,917.46 × 11,277.56
  4. Step 4: Simplify right side
    20,229.32x = 314,840,830.20
  5. Step 5: Solve for x
    x = 314,840,830.20/20,229.32
  6. Step 6: Final answer
    x = 15,563.59

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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.