Home / 28,079.69-38,747.04-16,144.75

Finding the Fourth Proportional to 28,079.69, 38,747.04 and 16,144.75

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Solution

The fourth proportional to 28,079.69, 38,747.04 and 16,144.75 is: 22,278.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,079.69 : 38,747.04 = 16,144.75 : x
  2. Step 2: Convert to fraction form
    28,079.69/38,747.04 = 16,144.75/x
  3. Step 3: Cross multiply
    28,079.69x = 38,747.04 × 16,144.75
  4. Step 4: Simplify right side
    28,079.69x = 625,561,080.30
  5. Step 5: Solve for x
    x = 625,561,080.30/28,079.69
  6. Step 6: Final answer
    x = 22,278.06

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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.