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Finding the Fourth Proportional to 35,522.92, 53,266.06 and 11,821.92

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Solution

The fourth proportional to 35,522.92, 53,266.06 and 11,821.92 is: 17,726.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,522.92 : 53,266.06 = 11,821.92 : x
  2. Step 2: Convert to fraction form
    35,522.92/53,266.06 = 11,821.92/x
  3. Step 3: Cross multiply
    35,522.92x = 53,266.06 × 11,821.92
  4. Step 4: Simplify right side
    35,522.92x = 629,707,100.04
  5. Step 5: Solve for x
    x = 629,707,100.04/35,522.92
  6. Step 6: Final answer
    x = 17,726.78

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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.