Home / 17,387.66-26,078.70-5,539.88

Finding the Fourth Proportional to 17,387.66, 26,078.70 and 5,539.88

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Solution

The fourth proportional to 17,387.66, 26,078.70 and 5,539.88 is: 8,308.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.66 : 26,078.70 = 5,539.88 : x
  2. Step 2: Convert to fraction form
    17,387.66/26,078.70 = 5,539.88/x
  3. Step 3: Cross multiply
    17,387.66x = 26,078.70 × 5,539.88
  4. Step 4: Simplify right side
    17,387.66x = 144,472,868.56
  5. Step 5: Solve for x
    x = 144,472,868.56/17,387.66
  6. Step 6: Final answer
    x = 8,308.93

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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.