Home / 26,297.43-39,431.56-8,757.69

Finding the Fourth Proportional to 26,297.43, 39,431.56 and 8,757.69

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Solution

The fourth proportional to 26,297.43, 39,431.56 and 8,757.69 is: 13,131.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,297.43 : 39,431.56 = 8,757.69 : x
  2. Step 2: Convert to fraction form
    26,297.43/39,431.56 = 8,757.69/x
  3. Step 3: Cross multiply
    26,297.43x = 39,431.56 × 8,757.69
  4. Step 4: Simplify right side
    26,297.43x = 345,329,378.70
  5. Step 5: Solve for x
    x = 345,329,378.70/26,297.43
  6. Step 6: Final answer
    x = 13,131.68

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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.