Home / 28,694.30-39,591.98-16,752.20

Finding the Fourth Proportional to 28,694.30, 39,591.98 and 16,752.20

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Solution

The fourth proportional to 28,694.30, 39,591.98 and 16,752.20 is: 23,114.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,694.30 : 39,591.98 = 16,752.20 : x
  2. Step 2: Convert to fraction form
    28,694.30/39,591.98 = 16,752.20/x
  3. Step 3: Cross multiply
    28,694.30x = 39,591.98 × 16,752.20
  4. Step 4: Simplify right side
    28,694.30x = 663,252,767.36
  5. Step 5: Solve for x
    x = 663,252,767.36/28,694.30
  6. Step 6: Final answer
    x = 23,114.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.