Home / 26,138.88-39,198.60-8,604

Finding the Fourth Proportional to 26,138.88, 39,198.60 and 8,604

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Solution

The fourth proportional to 26,138.88, 39,198.60 and 8,604 is: 12,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,138.88 : 39,198.60 = 8,604 : x
  2. Step 2: Convert to fraction form
    26,138.88/39,198.60 = 8,604/x
  3. Step 3: Cross multiply
    26,138.88x = 39,198.60 × 8,604
  4. Step 4: Simplify right side
    26,138.88x = 337,264,754.40
  5. Step 5: Solve for x
    x = 337,264,754.40/26,138.88
  6. Step 6: Final answer
    x = 12,902.80

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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.