Home / 21,520.32-32,286.57-6,729.42

Finding the Fourth Proportional to 21,520.32, 32,286.57 and 6,729.42

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Solution

The fourth proportional to 21,520.32, 32,286.57 and 6,729.42 is: 10,096.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,520.32 : 32,286.57 = 6,729.42 : x
  2. Step 2: Convert to fraction form
    21,520.32/32,286.57 = 6,729.42/x
  3. Step 3: Cross multiply
    21,520.32x = 32,286.57 × 6,729.42
  4. Step 4: Simplify right side
    21,520.32x = 217,269,889.89
  5. Step 5: Solve for x
    x = 217,269,889.89/21,520.32
  6. Step 6: Final answer
    x = 10,096.03

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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.