Home / 20,176.80-27,844.65-11,102.52

Finding the Fourth Proportional to 20,176.80, 27,844.65 and 11,102.52

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Solution

The fourth proportional to 20,176.80, 27,844.65 and 11,102.52 is: 15,321.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.80 : 27,844.65 = 11,102.52 : x
  2. Step 2: Convert to fraction form
    20,176.80/27,844.65 = 11,102.52/x
  3. Step 3: Cross multiply
    20,176.80x = 27,844.65 × 11,102.52
  4. Step 4: Simplify right side
    20,176.80x = 309,145,783.52
  5. Step 5: Solve for x
    x = 309,145,783.52/20,176.80
  6. Step 6: Final answer
    x = 15,321.84

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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.