Home / 18,579.67-27,876.33-8,589.23

Finding the Fourth Proportional to 18,579.67, 27,876.33 and 8,589.23

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Solution

The fourth proportional to 18,579.67, 27,876.33 and 8,589.23 is: 12,887.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.67 : 27,876.33 = 8,589.23 : x
  2. Step 2: Convert to fraction form
    18,579.67/27,876.33 = 8,589.23/x
  3. Step 3: Cross multiply
    18,579.67x = 27,876.33 × 8,589.23
  4. Step 4: Simplify right side
    18,579.67x = 239,436,209.93
  5. Step 5: Solve for x
    x = 239,436,209.93/18,579.67
  6. Step 6: Final answer
    x = 12,887.00

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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.