Home / 21,522.88-32,284.56-6,731.20

Finding the Fourth Proportional to 21,522.88, 32,284.56 and 6,731.20

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Solution

The fourth proportional to 21,522.88, 32,284.56 and 6,731.20 is: 10,096.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,522.88 : 32,284.56 = 6,731.20 : x
  2. Step 2: Convert to fraction form
    21,522.88/32,284.56 = 6,731.20/x
  3. Step 3: Cross multiply
    21,522.88x = 32,284.56 × 6,731.20
  4. Step 4: Simplify right side
    21,522.88x = 217,313,830.27
  5. Step 5: Solve for x
    x = 217,313,830.27/21,522.88
  6. Step 6: Final answer
    x = 10,096.88

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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.