Home / 25,449.31-38,186.69-11,419.36

Finding the Fourth Proportional to 25,449.31, 38,186.69 and 11,419.36

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Solution

The fourth proportional to 25,449.31, 38,186.69 and 11,419.36 is: 17,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,449.31 : 38,186.69 = 11,419.36 : x
  2. Step 2: Convert to fraction form
    25,449.31/38,186.69 = 11,419.36/x
  3. Step 3: Cross multiply
    25,449.31x = 38,186.69 × 11,419.36
  4. Step 4: Simplify right side
    25,449.31x = 436,067,686.79
  5. Step 5: Solve for x
    x = 436,067,686.79/25,449.31
  6. Step 6: Final answer
    x = 17,134.76

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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.