Home / 17,941.20-26,911.82-8,579.02

Finding the Fourth Proportional to 17,941.20, 26,911.82 and 8,579.02

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Solution

The fourth proportional to 17,941.20, 26,911.82 and 8,579.02 is: 12,868.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,941.20 : 26,911.82 = 8,579.02 : x
  2. Step 2: Convert to fraction form
    17,941.20/26,911.82 = 8,579.02/x
  3. Step 3: Cross multiply
    17,941.20x = 26,911.82 × 8,579.02
  4. Step 4: Simplify right side
    17,941.20x = 230,877,042.02
  5. Step 5: Solve for x
    x = 230,877,042.02/17,941.20
  6. Step 6: Final answer
    x = 12,868.54

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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.