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Finding the Fourth Proportional to 21,677.44, 32,496.44 and 8,341.92

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Solution

The fourth proportional to 21,677.44, 32,496.44 and 8,341.92 is: 12,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,677.44 : 32,496.44 = 8,341.92 : x
  2. Step 2: Convert to fraction form
    21,677.44/32,496.44 = 8,341.92/x
  3. Step 3: Cross multiply
    21,677.44x = 32,496.44 × 8,341.92
  4. Step 4: Simplify right side
    21,677.44x = 271,082,707.98
  5. Step 5: Solve for x
    x = 271,082,707.98/21,677.44
  6. Step 6: Final answer
    x = 12,505.29

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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.