Home / 27,690.48-41,563.89-20,272.86

Finding the Fourth Proportional to 27,690.48, 41,563.89 and 20,272.86

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Solution

The fourth proportional to 27,690.48, 41,563.89 and 20,272.86 is: 30,429.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,690.48 : 41,563.89 = 20,272.86 : x
  2. Step 2: Convert to fraction form
    27,690.48/41,563.89 = 20,272.86/x
  3. Step 3: Cross multiply
    27,690.48x = 41,563.89 × 20,272.86
  4. Step 4: Simplify right side
    27,690.48x = 842,618,923.03
  5. Step 5: Solve for x
    x = 842,618,923.03/27,690.48
  6. Step 6: Final answer
    x = 30,429.91

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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.