Home / 17,889.20-26,853.42-14,215.04

Finding the Fourth Proportional to 17,889.20, 26,853.42 and 14,215.04

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Solution

The fourth proportional to 17,889.20, 26,853.42 and 14,215.04 is: 21,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,889.20 : 26,853.42 = 14,215.04 : x
  2. Step 2: Convert to fraction form
    17,889.20/26,853.42 = 14,215.04/x
  3. Step 3: Cross multiply
    17,889.20x = 26,853.42 × 14,215.04
  4. Step 4: Simplify right side
    17,889.20x = 381,722,439.44
  5. Step 5: Solve for x
    x = 381,722,439.44/17,889.20
  6. Step 6: Final answer
    x = 21,338.15

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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.