Home / 27,720.57-41,591.16-16,635.21

Finding the Fourth Proportional to 27,720.57, 41,591.16 and 16,635.21

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Solution

The fourth proportional to 27,720.57, 41,591.16 and 16,635.21 is: 24,959.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720.57 : 41,591.16 = 16,635.21 : x
  2. Step 2: Convert to fraction form
    27,720.57/41,591.16 = 16,635.21/x
  3. Step 3: Cross multiply
    27,720.57x = 41,591.16 × 16,635.21
  4. Step 4: Simplify right side
    27,720.57x = 691,877,680.74
  5. Step 5: Solve for x
    x = 691,877,680.74/27,720.57
  6. Step 6: Final answer
    x = 24,959.00

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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.