Home / 20,205.29-27,883.23-11,252.90

Finding the Fourth Proportional to 20,205.29, 27,883.23 and 11,252.90

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Solution

The fourth proportional to 20,205.29, 27,883.23 and 11,252.90 is: 15,528.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,205.29 : 27,883.23 = 11,252.90 : x
  2. Step 2: Convert to fraction form
    20,205.29/27,883.23 = 11,252.90/x
  3. Step 3: Cross multiply
    20,205.29x = 27,883.23 × 11,252.90
  4. Step 4: Simplify right side
    20,205.29x = 313,767,198.87
  5. Step 5: Solve for x
    x = 313,767,198.87/20,205.29
  6. Step 6: Final answer
    x = 15,528.96

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1.5x scale

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.