Home / 17,788.29-26,681.82-8,432.79

Finding the Fourth Proportional to 17,788.29, 26,681.82 and 8,432.79

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Solution

The fourth proportional to 17,788.29, 26,681.82 and 8,432.79 is: 12,648.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,788.29 : 26,681.82 = 8,432.79 : x
  2. Step 2: Convert to fraction form
    17,788.29/26,681.82 = 8,432.79/x
  3. Step 3: Cross multiply
    17,788.29x = 26,681.82 × 8,432.79
  4. Step 4: Simplify right side
    17,788.29x = 225,002,184.88
  5. Step 5: Solve for x
    x = 225,002,184.88/17,788.29
  6. Step 6: Final answer
    x = 12,648.89

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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.