Home / 28,974.48-43,461.72-15,819.66

Finding the Fourth Proportional to 28,974.48, 43,461.72 and 15,819.66

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Solution

The fourth proportional to 28,974.48, 43,461.72 and 15,819.66 is: 23,729.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,974.48 : 43,461.72 = 15,819.66 : x
  2. Step 2: Convert to fraction form
    28,974.48/43,461.72 = 15,819.66/x
  3. Step 3: Cross multiply
    28,974.48x = 43,461.72 × 15,819.66
  4. Step 4: Simplify right side
    28,974.48x = 687,549,633.42
  5. Step 5: Solve for x
    x = 687,549,633.42/28,974.48
  6. Step 6: Final answer
    x = 23,729.49

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.