Home / 28,045.44-38,691.84-16,106.88

Finding the Fourth Proportional to 28,045.44, 38,691.84 and 16,106.88

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Solution

The fourth proportional to 28,045.44, 38,691.84 and 16,106.88 is: 22,221.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045.44 : 38,691.84 = 16,106.88 : x
  2. Step 2: Convert to fraction form
    28,045.44/38,691.84 = 16,106.88/x
  3. Step 3: Cross multiply
    28,045.44x = 38,691.84 × 16,106.88
  4. Step 4: Simplify right side
    28,045.44x = 623,204,823.86
  5. Step 5: Solve for x
    x = 623,204,823.86/28,045.44
  6. Step 6: Final answer
    x = 22,221.25

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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.