Home / 21,524.05-32,334.68-12,764.71

Finding the Fourth Proportional to 21,524.05, 32,334.68 and 12,764.71

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Solution

The fourth proportional to 21,524.05, 32,334.68 and 12,764.71 is: 19,175.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,524.05 : 32,334.68 = 12,764.71 : x
  2. Step 2: Convert to fraction form
    21,524.05/32,334.68 = 12,764.71/x
  3. Step 3: Cross multiply
    21,524.05x = 32,334.68 × 12,764.71
  4. Step 4: Simplify right side
    21,524.05x = 412,742,813.14
  5. Step 5: Solve for x
    x = 412,742,813.14/21,524.05
  6. Step 6: Final answer
    x = 19,175.89

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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.