Home / 28,206.15-38,923.13-16,273.33

Finding the Fourth Proportional to 28,206.15, 38,923.13 and 16,273.33

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Solution

The fourth proportional to 28,206.15, 38,923.13 and 16,273.33 is: 22,456.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,206.15 : 38,923.13 = 16,273.33 : x
  2. Step 2: Convert to fraction form
    28,206.15/38,923.13 = 16,273.33/x
  3. Step 3: Cross multiply
    28,206.15x = 38,923.13 × 16,273.33
  4. Step 4: Simplify right side
    28,206.15x = 633,408,991.97
  5. Step 5: Solve for x
    x = 633,408,991.97/28,206.15
  6. Step 6: Final answer
    x = 22,456.42

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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.