Home / 18,212.85-27,320.37-5,733.28

Finding the Fourth Proportional to 18,212.85, 27,320.37 and 5,733.28

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Solution

The fourth proportional to 18,212.85, 27,320.37 and 5,733.28 is: 8,600.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.85 : 27,320.37 = 5,733.28 : x
  2. Step 2: Convert to fraction form
    18,212.85/27,320.37 = 5,733.28/x
  3. Step 3: Cross multiply
    18,212.85x = 27,320.37 × 5,733.28
  4. Step 4: Simplify right side
    18,212.85x = 156,635,165.65
  5. Step 5: Solve for x
    x = 156,635,165.65/18,212.85
  6. Step 6: Final answer
    x = 8,600.26

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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.