Home / 27,817.21-41,731.04-11,178.55

Finding the Fourth Proportional to 27,817.21, 41,731.04 and 11,178.55

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Solution

The fourth proportional to 27,817.21, 41,731.04 and 11,178.55 is: 16,769.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,817.21 : 41,731.04 = 11,178.55 : x
  2. Step 2: Convert to fraction form
    27,817.21/41,731.04 = 11,178.55/x
  3. Step 3: Cross multiply
    27,817.21x = 41,731.04 × 11,178.55
  4. Step 4: Simplify right side
    27,817.21x = 466,492,517.19
  5. Step 5: Solve for x
    x = 466,492,517.19/27,817.21
  6. Step 6: Final answer
    x = 16,769.92

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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.