Home / 28,022.92-38,672.10-16,086.15

Finding the Fourth Proportional to 28,022.92, 38,672.10 and 16,086.15

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Solution

The fourth proportional to 28,022.92, 38,672.10 and 16,086.15 is: 22,199.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,022.92 : 38,672.10 = 16,086.15 : x
  2. Step 2: Convert to fraction form
    28,022.92/38,672.10 = 16,086.15/x
  3. Step 3: Cross multiply
    28,022.92x = 38,672.10 × 16,086.15
  4. Step 4: Simplify right side
    28,022.92x = 622,085,201.42
  5. Step 5: Solve for x
    x = 622,085,201.42/28,022.92
  6. Step 6: Final answer
    x = 22,199.16

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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.