Home / 29,719.76-41,013.83-16,290.92

Finding the Fourth Proportional to 29,719.76, 41,013.83 and 16,290.92

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Solution

The fourth proportional to 29,719.76, 41,013.83 and 16,290.92 is: 22,481.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,719.76 : 41,013.83 = 16,290.92 : x
  2. Step 2: Convert to fraction form
    29,719.76/41,013.83 = 16,290.92/x
  3. Step 3: Cross multiply
    29,719.76x = 41,013.83 × 16,290.92
  4. Step 4: Simplify right side
    29,719.76x = 668,152,736.90
  5. Step 5: Solve for x
    x = 668,152,736.90/29,719.76
  6. Step 6: Final answer
    x = 22,481.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.