Home / 26,288.28-39,433.02-8,759.52

Finding the Fourth Proportional to 26,288.28, 39,433.02 and 8,759.52

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Solution

The fourth proportional to 26,288.28, 39,433.02 and 8,759.52 is: 13,139.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,288.28 : 39,433.02 = 8,759.52 : x
  2. Step 2: Convert to fraction form
    26,288.28/39,433.02 = 8,759.52/x
  3. Step 3: Cross multiply
    26,288.28x = 39,433.02 × 8,759.52
  4. Step 4: Simplify right side
    26,288.28x = 345,414,327.35
  5. Step 5: Solve for x
    x = 345,414,327.35/26,288.28
  6. Step 6: Final answer
    x = 13,139.48

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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.