Home / 28,481.42-39,298.35-16,538.58

Finding the Fourth Proportional to 28,481.42, 39,298.35 and 16,538.58

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Solution

The fourth proportional to 28,481.42, 39,298.35 and 16,538.58 is: 22,819.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,481.42 : 39,298.35 = 16,538.58 : x
  2. Step 2: Convert to fraction form
    28,481.42/39,298.35 = 16,538.58/x
  3. Step 3: Cross multiply
    28,481.42x = 39,298.35 × 16,538.58
  4. Step 4: Simplify right side
    28,481.42x = 649,938,626.16
  5. Step 5: Solve for x
    x = 649,938,626.16/28,481.42
  6. Step 6: Final answer
    x = 22,819.74

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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.