Home / 26,249.88-39,366.32-8,715

Finding the Fourth Proportional to 26,249.88, 39,366.32 and 8,715

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Solution

The fourth proportional to 26,249.88, 39,366.32 and 8,715 is: 13,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,249.88 : 39,366.32 = 8,715 : x
  2. Step 2: Convert to fraction form
    26,249.88/39,366.32 = 8,715/x
  3. Step 3: Cross multiply
    26,249.88x = 39,366.32 × 8,715
  4. Step 4: Simplify right side
    26,249.88x = 343,077,478.80
  5. Step 5: Solve for x
    x = 343,077,478.80/26,249.88
  6. Step 6: Final answer
    x = 13,069.68

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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.