Home / 25,716.18-38,579.08-11,677.18

Finding the Fourth Proportional to 25,716.18, 38,579.08 and 11,677.18

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Solution

The fourth proportional to 25,716.18, 38,579.08 and 11,677.18 is: 17,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,716.18 : 38,579.08 = 11,677.18 : x
  2. Step 2: Convert to fraction form
    25,716.18/38,579.08 = 11,677.18/x
  3. Step 3: Cross multiply
    25,716.18x = 38,579.08 × 11,677.18
  4. Step 4: Simplify right side
    25,716.18x = 450,494,861.39
  5. Step 5: Solve for x
    x = 450,494,861.39/25,716.18
  6. Step 6: Final answer
    x = 17,517.95

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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.