Home / 26,405.55-39,581.51-8,860.95

Finding the Fourth Proportional to 26,405.55, 39,581.51 and 8,860.95

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Solution

The fourth proportional to 26,405.55, 39,581.51 and 8,860.95 is: 13,282.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,405.55 : 39,581.51 = 8,860.95 : x
  2. Step 2: Convert to fraction form
    26,405.55/39,581.51 = 8,860.95/x
  3. Step 3: Cross multiply
    26,405.55x = 39,581.51 × 8,860.95
  4. Step 4: Simplify right side
    26,405.55x = 350,729,736.73
  5. Step 5: Solve for x
    x = 350,729,736.73/26,405.55
  6. Step 6: Final answer
    x = 13,282.42

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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.