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Finding the Fourth Proportional to 27,880.44, 41,811.16 and 11,236.16

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Solution

The fourth proportional to 27,880.44, 41,811.16 and 11,236.16 is: 16,850.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.44 : 41,811.16 = 11,236.16 : x
  2. Step 2: Convert to fraction form
    27,880.44/41,811.16 = 11,236.16/x
  3. Step 3: Cross multiply
    27,880.44x = 41,811.16 × 11,236.16
  4. Step 4: Simplify right side
    27,880.44x = 469,796,883.55
  5. Step 5: Solve for x
    x = 469,796,883.55/27,880.44
  6. Step 6: Final answer
    x = 16,850.41

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1.5x scale

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.