Home / 28,716.94-43,076.22-7,940.44

Finding the Fourth Proportional to 28,716.94, 43,076.22 and 7,940.44

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Solution

The fourth proportional to 28,716.94, 43,076.22 and 7,940.44 is: 11,910.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716.94 : 43,076.22 = 7,940.44 : x
  2. Step 2: Convert to fraction form
    28,716.94/43,076.22 = 7,940.44/x
  3. Step 3: Cross multiply
    28,716.94x = 43,076.22 × 7,940.44
  4. Step 4: Simplify right side
    28,716.94x = 342,043,885.25
  5. Step 5: Solve for x
    x = 342,043,885.25/28,716.94
  6. Step 6: Final answer
    x = 11,910.88

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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.