Home / 18,080.64-27,120.15-4,932.97

Finding the Fourth Proportional to 18,080.64, 27,120.15 and 4,932.97

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Solution

The fourth proportional to 18,080.64, 27,120.15 and 4,932.97 is: 7,399.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080.64 : 27,120.15 = 4,932.97 : x
  2. Step 2: Convert to fraction form
    18,080.64/27,120.15 = 4,932.97/x
  3. Step 3: Cross multiply
    18,080.64x = 27,120.15 × 4,932.97
  4. Step 4: Simplify right side
    18,080.64x = 133,782,818.55
  5. Step 5: Solve for x
    x = 133,782,818.55/18,080.64
  6. Step 6: Final answer
    x = 7,399.23

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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.