Home / 38,127.09-57,198.28-13,168.05

Finding the Fourth Proportional to 38,127.09, 57,198.28 and 13,168.05

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Solution

The fourth proportional to 38,127.09, 57,198.28 and 13,168.05 is: 19,754.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,127.09 : 57,198.28 = 13,168.05 : x
  2. Step 2: Convert to fraction form
    38,127.09/57,198.28 = 13,168.05/x
  3. Step 3: Cross multiply
    38,127.09x = 57,198.28 × 13,168.05
  4. Step 4: Simplify right side
    38,127.09x = 753,189,921.03
  5. Step 5: Solve for x
    x = 753,189,921.03/38,127.09
  6. Step 6: Final answer
    x = 19,754.72

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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.