Home / 27,821.78-41,719.47-16,138.58

Finding the Fourth Proportional to 27,821.78, 41,719.47 and 16,138.58

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Solution

The fourth proportional to 27,821.78, 41,719.47 and 16,138.58 is: 24,200.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,821.78 : 41,719.47 = 16,138.58 : x
  2. Step 2: Convert to fraction form
    27,821.78/41,719.47 = 16,138.58/x
  3. Step 3: Cross multiply
    27,821.78x = 41,719.47 × 16,138.58
  4. Step 4: Simplify right side
    27,821.78x = 673,293,004.15
  5. Step 5: Solve for x
    x = 673,293,004.15/27,821.78
  6. Step 6: Final answer
    x = 24,200.21

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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.