Home / 28,609.38-39,481.48-16,673.42

Finding the Fourth Proportional to 28,609.38, 39,481.48 and 16,673.42

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Solution

The fourth proportional to 28,609.38, 39,481.48 and 16,673.42 is: 23,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,609.38 : 39,481.48 = 16,673.42 : x
  2. Step 2: Convert to fraction form
    28,609.38/39,481.48 = 16,673.42/x
  3. Step 3: Cross multiply
    28,609.38x = 39,481.48 × 16,673.42
  4. Step 4: Simplify right side
    28,609.38x = 658,291,298.26
  5. Step 5: Solve for x
    x = 658,291,298.26/28,609.38
  6. Step 6: Final answer
    x = 23,009.63

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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.