Home / 22,110.30-33,116.85-19,647.90

Finding the Fourth Proportional to 22,110.30, 33,116.85 and 19,647.90

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Solution

The fourth proportional to 22,110.30, 33,116.85 and 19,647.90 is: 29,428.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.30 : 33,116.85 = 19,647.90 : x
  2. Step 2: Convert to fraction form
    22,110.30/33,116.85 = 19,647.90/x
  3. Step 3: Cross multiply
    22,110.30x = 33,116.85 × 19,647.90
  4. Step 4: Simplify right side
    22,110.30x = 650,676,557.12
  5. Step 5: Solve for x
    x = 650,676,557.12/22,110.30
  6. Step 6: Final answer
    x = 29,428.66

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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.