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Finding the Fourth Proportional to 21,952.46, 32,936.09 and 6,962.04

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Solution

The fourth proportional to 21,952.46, 32,936.09 and 6,962.04 is: 10,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952.46 : 32,936.09 = 6,962.04 : x
  2. Step 2: Convert to fraction form
    21,952.46/32,936.09 = 6,962.04/x
  3. Step 3: Cross multiply
    21,952.46x = 32,936.09 × 6,962.04
  4. Step 4: Simplify right side
    21,952.46x = 229,302,341.21
  5. Step 5: Solve for x
    x = 229,302,341.21/21,952.46
  6. Step 6: Final answer
    x = 10,445.40

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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.