Home / 21,811.68-32,723.97-7,020.24

Finding the Fourth Proportional to 21,811.68, 32,723.97 and 7,020.24

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Solution

The fourth proportional to 21,811.68, 32,723.97 and 7,020.24 is: 10,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,811.68 : 32,723.97 = 7,020.24 : x
  2. Step 2: Convert to fraction form
    21,811.68/32,723.97 = 7,020.24/x
  3. Step 3: Cross multiply
    21,811.68x = 32,723.97 × 7,020.24
  4. Step 4: Simplify right side
    21,811.68x = 229,729,974.11
  5. Step 5: Solve for x
    x = 229,729,974.11/21,811.68
  6. Step 6: Final answer
    x = 10,532.43

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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.