Home / 26,982.40-40,473.60-8,514.40

Finding the Fourth Proportional to 26,982.40, 40,473.60 and 8,514.40

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Solution

The fourth proportional to 26,982.40, 40,473.60 and 8,514.40 is: 12,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,982.40 : 40,473.60 = 8,514.40 : x
  2. Step 2: Convert to fraction form
    26,982.40/40,473.60 = 8,514.40/x
  3. Step 3: Cross multiply
    26,982.40x = 40,473.60 × 8,514.40
  4. Step 4: Simplify right side
    26,982.40x = 344,608,419.84
  5. Step 5: Solve for x
    x = 344,608,419.84/26,982.40
  6. Step 6: Final answer
    x = 12,771.60

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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.