Home / 20,232.28-27,904.72-13,160.96

Finding the Fourth Proportional to 20,232.28, 27,904.72 and 13,160.96

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Solution

The fourth proportional to 20,232.28, 27,904.72 and 13,160.96 is: 18,151.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.28 : 27,904.72 = 13,160.96 : x
  2. Step 2: Convert to fraction form
    20,232.28/27,904.72 = 13,160.96/x
  3. Step 3: Cross multiply
    20,232.28x = 27,904.72 × 13,160.96
  4. Step 4: Simplify right side
    20,232.28x = 367,252,903.73
  5. Step 5: Solve for x
    x = 367,252,903.73/20,232.28
  6. Step 6: Final answer
    x = 18,151.83

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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.