Home / 26,786.40-40,183.20-9,261.60

Finding the Fourth Proportional to 26,786.40, 40,183.20 and 9,261.60

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Solution

The fourth proportional to 26,786.40, 40,183.20 and 9,261.60 is: 13,893.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,786.40 : 40,183.20 = 9,261.60 : x
  2. Step 2: Convert to fraction form
    26,786.40/40,183.20 = 9,261.60/x
  3. Step 3: Cross multiply
    26,786.40x = 40,183.20 × 9,261.60
  4. Step 4: Simplify right side
    26,786.40x = 372,160,725.12
  5. Step 5: Solve for x
    x = 372,160,725.12/26,786.40
  6. Step 6: Final answer
    x = 13,893.64

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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.