Home / 19,729.26-29,582.73-8,028.72

Finding the Fourth Proportional to 19,729.26, 29,582.73 and 8,028.72

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Solution

The fourth proportional to 19,729.26, 29,582.73 and 8,028.72 is: 12,038.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.26 : 29,582.73 = 8,028.72 : x
  2. Step 2: Convert to fraction form
    19,729.26/29,582.73 = 8,028.72/x
  3. Step 3: Cross multiply
    19,729.26x = 29,582.73 × 8,028.72
  4. Step 4: Simplify right side
    19,729.26x = 237,511,456.01
  5. Step 5: Solve for x
    x = 237,511,456.01/19,729.26
  6. Step 6: Final answer
    x = 12,038.54

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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.