Home / 21,679.82-32,524.26-12,324.14

Finding the Fourth Proportional to 21,679.82, 32,524.26 and 12,324.14

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Solution

The fourth proportional to 21,679.82, 32,524.26 and 12,324.14 is: 18,488.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,679.82 : 32,524.26 = 12,324.14 : x
  2. Step 2: Convert to fraction form
    21,679.82/32,524.26 = 12,324.14/x
  3. Step 3: Cross multiply
    21,679.82x = 32,524.26 × 12,324.14
  4. Step 4: Simplify right side
    21,679.82x = 400,833,533.64
  5. Step 5: Solve for x
    x = 400,833,533.64/21,679.82
  6. Step 6: Final answer
    x = 18,488.79

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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.