Home / 28,016.38-38,662.77-16,079.41

Finding the Fourth Proportional to 28,016.38, 38,662.77 and 16,079.41

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Solution

The fourth proportional to 28,016.38, 38,662.77 and 16,079.41 is: 22,189.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016.38 : 38,662.77 = 16,079.41 : x
  2. Step 2: Convert to fraction form
    28,016.38/38,662.77 = 16,079.41/x
  3. Step 3: Cross multiply
    28,016.38x = 38,662.77 × 16,079.41
  4. Step 4: Simplify right side
    28,016.38x = 621,674,530.57
  5. Step 5: Solve for x
    x = 621,674,530.57/28,016.38
  6. Step 6: Final answer
    x = 22,189.68

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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.