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Finding the Fourth Proportional to 27,453.40, 41,180.90 and 9,920.12

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Solution

The fourth proportional to 27,453.40, 41,180.90 and 9,920.12 is: 14,880.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,453.40 : 41,180.90 = 9,920.12 : x
  2. Step 2: Convert to fraction form
    27,453.40/41,180.90 = 9,920.12/x
  3. Step 3: Cross multiply
    27,453.40x = 41,180.90 × 9,920.12
  4. Step 4: Simplify right side
    27,453.40x = 408,519,469.71
  5. Step 5: Solve for x
    x = 408,519,469.71/27,453.40
  6. Step 6: Final answer
    x = 14,880.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.