Home / 21,844.88-32,767.34-5,428.88

Finding the Fourth Proportional to 21,844.88, 32,767.34 and 5,428.88

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Solution

The fourth proportional to 21,844.88, 32,767.34 and 5,428.88 is: 8,143.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,844.88 : 32,767.34 = 5,428.88 : x
  2. Step 2: Convert to fraction form
    21,844.88/32,767.34 = 5,428.88/x
  3. Step 3: Cross multiply
    21,844.88x = 32,767.34 × 5,428.88
  4. Step 4: Simplify right side
    21,844.88x = 177,889,956.78
  5. Step 5: Solve for x
    x = 177,889,956.78/21,844.88
  6. Step 6: Final answer
    x = 8,143.32

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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.