Home / 28,163.70-38,869.38-16,067.16

Finding the Fourth Proportional to 28,163.70, 38,869.38 and 16,067.16

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Solution

The fourth proportional to 28,163.70, 38,869.38 and 16,067.16 is: 22,174.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,163.70 : 38,869.38 = 16,067.16 : x
  2. Step 2: Convert to fraction form
    28,163.70/38,869.38 = 16,067.16/x
  3. Step 3: Cross multiply
    28,163.70x = 38,869.38 × 16,067.16
  4. Step 4: Simplify right side
    28,163.70x = 624,520,547.56
  5. Step 5: Solve for x
    x = 624,520,547.56/28,163.70
  6. Step 6: Final answer
    x = 22,174.66

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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.