Home / 27,821.48-41,719.77-19,997.46

Finding the Fourth Proportional to 27,821.48, 41,719.77 and 19,997.46

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Solution

The fourth proportional to 27,821.48, 41,719.77 and 19,997.46 is: 29,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,821.48 : 41,719.77 = 19,997.46 : x
  2. Step 2: Convert to fraction form
    27,821.48/41,719.77 = 19,997.46/x
  3. Step 3: Cross multiply
    27,821.48x = 41,719.77 × 19,997.46
  4. Step 4: Simplify right side
    27,821.48x = 834,289,431.78
  5. Step 5: Solve for x
    x = 834,289,431.78/27,821.48
  6. Step 6: Final answer
    x = 29,987.25

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1.5x scale

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.