Home / 21,956.34-32,940.68-8,817.94

Finding the Fourth Proportional to 21,956.34, 32,940.68 and 8,817.94

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Solution

The fourth proportional to 21,956.34, 32,940.68 and 8,817.94 is: 13,229.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956.34 : 32,940.68 = 8,817.94 : x
  2. Step 2: Convert to fraction form
    21,956.34/32,940.68 = 8,817.94/x
  3. Step 3: Cross multiply
    21,956.34x = 32,940.68 × 8,817.94
  4. Step 4: Simplify right side
    21,956.34x = 290,468,939.80
  5. Step 5: Solve for x
    x = 290,468,939.80/21,956.34
  6. Step 6: Final answer
    x = 13,229.39

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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.