Home / 26,288.43-39,418.07-8,748.69

Finding the Fourth Proportional to 26,288.43, 39,418.07 and 8,748.69

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Solution

The fourth proportional to 26,288.43, 39,418.07 and 8,748.69 is: 13,118.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,288.43 : 39,418.07 = 8,748.69 : x
  2. Step 2: Convert to fraction form
    26,288.43/39,418.07 = 8,748.69/x
  3. Step 3: Cross multiply
    26,288.43x = 39,418.07 × 8,748.69
  4. Step 4: Simplify right side
    26,288.43x = 344,856,431.08
  5. Step 5: Solve for x
    x = 344,856,431.08/26,288.43
  6. Step 6: Final answer
    x = 13,118.18

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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.