Home / 26,294.48-39,433.20-8,759.60

Finding the Fourth Proportional to 26,294.48, 39,433.20 and 8,759.60

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Solution

The fourth proportional to 26,294.48, 39,433.20 and 8,759.60 is: 13,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,294.48 : 39,433.20 = 8,759.60 : x
  2. Step 2: Convert to fraction form
    26,294.48/39,433.20 = 8,759.60/x
  3. Step 3: Cross multiply
    26,294.48x = 39,433.20 × 8,759.60
  4. Step 4: Simplify right side
    26,294.48x = 345,419,058.72
  5. Step 5: Solve for x
    x = 345,419,058.72/26,294.48
  6. Step 6: Final answer
    x = 13,136.56

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1.5x scale

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.