Home / 17,579.88-26,377.92-8,821.08

Finding the Fourth Proportional to 17,579.88, 26,377.92 and 8,821.08

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Solution

The fourth proportional to 17,579.88, 26,377.92 and 8,821.08 is: 13,235.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,579.88 : 26,377.92 = 8,821.08 : x
  2. Step 2: Convert to fraction form
    17,579.88/26,377.92 = 8,821.08/x
  3. Step 3: Cross multiply
    17,579.88x = 26,377.92 × 8,821.08
  4. Step 4: Simplify right side
    17,579.88x = 232,681,742.55
  5. Step 5: Solve for x
    x = 232,681,742.55/17,579.88
  6. Step 6: Final answer
    x = 13,235.68

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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.