Home / 26,814.94-36,982.32-20,115.44

Finding the Fourth Proportional to 26,814.94, 36,982.32 and 20,115.44

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Solution

The fourth proportional to 26,814.94, 36,982.32 and 20,115.44 is: 27,742.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,814.94 : 36,982.32 = 20,115.44 : x
  2. Step 2: Convert to fraction form
    26,814.94/36,982.32 = 20,115.44/x
  3. Step 3: Cross multiply
    26,814.94x = 36,982.32 × 20,115.44
  4. Step 4: Simplify right side
    26,814.94x = 743,915,639.02
  5. Step 5: Solve for x
    x = 743,915,639.02/26,814.94
  6. Step 6: Final answer
    x = 27,742.58

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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.