Home / 17,880.20-26,839.92-14,206.04

Finding the Fourth Proportional to 17,880.20, 26,839.92 and 14,206.04

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Solution

The fourth proportional to 17,880.20, 26,839.92 and 14,206.04 is: 21,324.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,880.20 : 26,839.92 = 14,206.04 : x
  2. Step 2: Convert to fraction form
    17,880.20/26,839.92 = 14,206.04/x
  3. Step 3: Cross multiply
    17,880.20x = 26,839.92 × 14,206.04
  4. Step 4: Simplify right side
    17,880.20x = 381,288,977.12
  5. Step 5: Solve for x
    x = 381,288,977.12/17,880.20
  6. Step 6: Final answer
    x = 21,324.65

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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.