Home / 19,067.42-28,619.76-10,321.04

Finding the Fourth Proportional to 19,067.42, 28,619.76 and 10,321.04

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Solution

The fourth proportional to 19,067.42, 28,619.76 and 10,321.04 is: 15,491.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,067.42 : 28,619.76 = 10,321.04 : x
  2. Step 2: Convert to fraction form
    19,067.42/28,619.76 = 10,321.04/x
  3. Step 3: Cross multiply
    19,067.42x = 28,619.76 × 10,321.04
  4. Step 4: Simplify right side
    19,067.42x = 295,385,687.75
  5. Step 5: Solve for x
    x = 295,385,687.75/19,067.42
  6. Step 6: Final answer
    x = 15,491.64

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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.