Home / 21,679.24-32,521.62-6,882.88

Finding the Fourth Proportional to 21,679.24, 32,521.62 and 6,882.88

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Solution

The fourth proportional to 21,679.24, 32,521.62 and 6,882.88 is: 10,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,679.24 : 32,521.62 = 6,882.88 : x
  2. Step 2: Convert to fraction form
    21,679.24/32,521.62 = 6,882.88/x
  3. Step 3: Cross multiply
    21,679.24x = 32,521.62 × 6,882.88
  4. Step 4: Simplify right side
    21,679.24x = 223,842,407.87
  5. Step 5: Solve for x
    x = 223,842,407.87/21,679.24
  6. Step 6: Final answer
    x = 10,325.20

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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.