Home / 18,278.64-27,419.31-16,102.44

Finding the Fourth Proportional to 18,278.64, 27,419.31 and 16,102.44

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Solution

The fourth proportional to 18,278.64, 27,419.31 and 16,102.44 is: 24,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278.64 : 27,419.31 = 16,102.44 : x
  2. Step 2: Convert to fraction form
    18,278.64/27,419.31 = 16,102.44/x
  3. Step 3: Cross multiply
    18,278.64x = 27,419.31 × 16,102.44
  4. Step 4: Simplify right side
    18,278.64x = 441,517,794.12
  5. Step 5: Solve for x
    x = 441,517,794.12/18,278.64
  6. Step 6: Final answer
    x = 24,154.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.