Home / 28,126.26-38,822.40-16,198.02

Finding the Fourth Proportional to 28,126.26, 38,822.40 and 16,198.02

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Solution

The fourth proportional to 28,126.26, 38,822.40 and 16,198.02 is: 22,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126.26 : 38,822.40 = 16,198.02 : x
  2. Step 2: Convert to fraction form
    28,126.26/38,822.40 = 16,198.02/x
  3. Step 3: Cross multiply
    28,126.26x = 38,822.40 × 16,198.02
  4. Step 4: Simplify right side
    28,126.26x = 628,846,011.65
  5. Step 5: Solve for x
    x = 628,846,011.65/28,126.26
  6. Step 6: Final answer
    x = 22,357.97

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1.5x scale

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.