Home / 20,792.26-28,693.74-11,361.44

Finding the Fourth Proportional to 20,792.26, 28,693.74 and 11,361.44

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Solution

The fourth proportional to 20,792.26, 28,693.74 and 11,361.44 is: 15,679.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,792.26 : 28,693.74 = 11,361.44 : x
  2. Step 2: Convert to fraction form
    20,792.26/28,693.74 = 11,361.44/x
  3. Step 3: Cross multiply
    20,792.26x = 28,693.74 × 11,361.44
  4. Step 4: Simplify right side
    20,792.26x = 326,002,205.39
  5. Step 5: Solve for x
    x = 326,002,205.39/20,792.26
  6. Step 6: Final answer
    x = 15,679.02

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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.