Home / 26,287.28-39,431.52-8,758.52

Finding the Fourth Proportional to 26,287.28, 39,431.52 and 8,758.52

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Solution

The fourth proportional to 26,287.28, 39,431.52 and 8,758.52 is: 13,137.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.28 : 39,431.52 = 8,758.52 : x
  2. Step 2: Convert to fraction form
    26,287.28/39,431.52 = 8,758.52/x
  3. Step 3: Cross multiply
    26,287.28x = 39,431.52 × 8,758.52
  4. Step 4: Simplify right side
    26,287.28x = 345,361,756.55
  5. Step 5: Solve for x
    x = 345,361,756.55/26,287.28
  6. Step 6: Final answer
    x = 13,137.98

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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.