Home / 26,865.36-40,261.24-20,286.16

Finding the Fourth Proportional to 26,865.36, 40,261.24 and 20,286.16

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Solution

The fourth proportional to 26,865.36, 40,261.24 and 20,286.16 is: 30,401.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,865.36 : 40,261.24 = 20,286.16 : x
  2. Step 2: Convert to fraction form
    26,865.36/40,261.24 = 20,286.16/x
  3. Step 3: Cross multiply
    26,865.36x = 40,261.24 × 20,286.16
  4. Step 4: Simplify right side
    26,865.36x = 816,745,956.44
  5. Step 5: Solve for x
    x = 816,745,956.44/26,865.36
  6. Step 6: Final answer
    x = 30,401.45

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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.