Home / 20,203.44-27,882-11,252.40

Finding the Fourth Proportional to 20,203.44, 27,882 and 11,252.40

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Solution

The fourth proportional to 20,203.44, 27,882 and 11,252.40 is: 15,529.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203.44 : 27,882 = 11,252.40 : x
  2. Step 2: Convert to fraction form
    20,203.44/27,882 = 11,252.40/x
  3. Step 3: Cross multiply
    20,203.44x = 27,882 × 11,252.40
  4. Step 4: Simplify right side
    20,203.44x = 313,739,416.80
  5. Step 5: Solve for x
    x = 313,739,416.80/20,203.44
  6. Step 6: Final answer
    x = 15,529.01

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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.