Home / 28,481.28-39,298.17-16,538.46

Finding the Fourth Proportional to 28,481.28, 39,298.17 and 16,538.46

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Solution

The fourth proportional to 28,481.28, 39,298.17 and 16,538.46 is: 22,819.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,481.28 : 39,298.17 = 16,538.46 : x
  2. Step 2: Convert to fraction form
    28,481.28/39,298.17 = 16,538.46/x
  3. Step 3: Cross multiply
    28,481.28x = 39,298.17 × 16,538.46
  4. Step 4: Simplify right side
    28,481.28x = 649,931,212.62
  5. Step 5: Solve for x
    x = 649,931,212.62/28,481.28
  6. Step 6: Final answer
    x = 22,819.59

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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.