Home / 21,647.07-32,470.25-6,855.96

Finding the Fourth Proportional to 21,647.07, 32,470.25 and 6,855.96

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Solution

The fourth proportional to 21,647.07, 32,470.25 and 6,855.96 is: 10,283.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,647.07 : 32,470.25 = 6,855.96 : x
  2. Step 2: Convert to fraction form
    21,647.07/32,470.25 = 6,855.96/x
  3. Step 3: Cross multiply
    21,647.07x = 32,470.25 × 6,855.96
  4. Step 4: Simplify right side
    21,647.07x = 222,614,735.19
  5. Step 5: Solve for x
    x = 222,614,735.19/21,647.07
  6. Step 6: Final answer
    x = 10,283.83

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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.