Home / 18,536.32-27,809.04-5,388.82

Finding the Fourth Proportional to 18,536.32, 27,809.04 and 5,388.82

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Solution

The fourth proportional to 18,536.32, 27,809.04 and 5,388.82 is: 8,084.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.32 : 27,809.04 = 5,388.82 : x
  2. Step 2: Convert to fraction form
    18,536.32/27,809.04 = 5,388.82/x
  3. Step 3: Cross multiply
    18,536.32x = 27,809.04 × 5,388.82
  4. Step 4: Simplify right side
    18,536.32x = 149,857,910.93
  5. Step 5: Solve for x
    x = 149,857,910.93/18,536.32
  6. Step 6: Final answer
    x = 8,084.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.