Home / 28,169.10-38,867.58-16,229.34

Finding the Fourth Proportional to 28,169.10, 38,867.58 and 16,229.34

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Solution

The fourth proportional to 28,169.10, 38,867.58 and 16,229.34 is: 22,393.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,169.10 : 38,867.58 = 16,229.34 : x
  2. Step 2: Convert to fraction form
    28,169.10/38,867.58 = 16,229.34/x
  3. Step 3: Cross multiply
    28,169.10x = 38,867.58 × 16,229.34
  4. Step 4: Simplify right side
    28,169.10x = 630,795,170.80
  5. Step 5: Solve for x
    x = 630,795,170.80/28,169.10
  6. Step 6: Final answer
    x = 22,393.16

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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.