Home / 20,276.04-27,979.92-11,892

Finding the Fourth Proportional to 20,276.04, 27,979.92 and 11,892

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Solution

The fourth proportional to 20,276.04, 27,979.92 and 11,892 is: 16,410.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,276.04 : 27,979.92 = 11,892 : x
  2. Step 2: Convert to fraction form
    20,276.04/27,979.92 = 11,892/x
  3. Step 3: Cross multiply
    20,276.04x = 27,979.92 × 11,892
  4. Step 4: Simplify right side
    20,276.04x = 332,737,208.64
  5. Step 5: Solve for x
    x = 332,737,208.64/20,276.04
  6. Step 6: Final answer
    x = 16,410.36

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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.