Home / 26,758.43-40,134.56-8,988.37

Finding the Fourth Proportional to 26,758.43, 40,134.56 and 8,988.37

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Solution

The fourth proportional to 26,758.43, 40,134.56 and 8,988.37 is: 13,481.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,758.43 : 40,134.56 = 8,988.37 : x
  2. Step 2: Convert to fraction form
    26,758.43/40,134.56 = 8,988.37/x
  3. Step 3: Cross multiply
    26,758.43x = 40,134.56 × 8,988.37
  4. Step 4: Simplify right side
    26,758.43x = 360,744,205.63
  5. Step 5: Solve for x
    x = 360,744,205.63/26,758.43
  6. Step 6: Final answer
    x = 13,481.52

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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.