Home / 21,956.88-32,936.99-8,623.44

Finding the Fourth Proportional to 21,956.88, 32,936.99 and 8,623.44

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Solution

The fourth proportional to 21,956.88, 32,936.99 and 8,623.44 is: 12,935.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956.88 : 32,936.99 = 8,623.44 : x
  2. Step 2: Convert to fraction form
    21,956.88/32,936.99 = 8,623.44/x
  3. Step 3: Cross multiply
    21,956.88x = 32,936.99 × 8,623.44
  4. Step 4: Simplify right side
    21,956.88x = 284,030,157.05
  5. Step 5: Solve for x
    x = 284,030,157.05/21,956.88
  6. Step 6: Final answer
    x = 12,935.82

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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.