Home / 27,219.99-40,791.69-21,648.61

Finding the Fourth Proportional to 27,219.99, 40,791.69 and 21,648.61

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Solution

The fourth proportional to 27,219.99, 40,791.69 and 21,648.61 is: 32,442.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,219.99 : 40,791.69 = 21,648.61 : x
  2. Step 2: Convert to fraction form
    27,219.99/40,791.69 = 21,648.61/x
  3. Step 3: Cross multiply
    27,219.99x = 40,791.69 × 21,648.61
  4. Step 4: Simplify right side
    27,219.99x = 883,083,388.05
  5. Step 5: Solve for x
    x = 883,083,388.05/27,219.99
  6. Step 6: Final answer
    x = 32,442.46

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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.