Home / 20,206.80-27,883.68-11,252.88

Finding the Fourth Proportional to 20,206.80, 27,883.68 and 11,252.88

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Solution

The fourth proportional to 20,206.80, 27,883.68 and 11,252.88 is: 15,528.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,206.80 : 27,883.68 = 11,252.88 : x
  2. Step 2: Convert to fraction form
    20,206.80/27,883.68 = 11,252.88/x
  3. Step 3: Cross multiply
    20,206.80x = 27,883.68 × 11,252.88
  4. Step 4: Simplify right side
    20,206.80x = 313,771,705.00
  5. Step 5: Solve for x
    x = 313,771,705.00/20,206.80
  6. Step 6: Final answer
    x = 15,528.03

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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.