Home / 21,629.65-32,458.14-8,481.67

Finding the Fourth Proportional to 21,629.65, 32,458.14 and 8,481.67

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Solution

The fourth proportional to 21,629.65, 32,458.14 and 8,481.67 is: 12,727.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,629.65 : 32,458.14 = 8,481.67 : x
  2. Step 2: Convert to fraction form
    21,629.65/32,458.14 = 8,481.67/x
  3. Step 3: Cross multiply
    21,629.65x = 32,458.14 × 8,481.67
  4. Step 4: Simplify right side
    21,629.65x = 275,299,232.29
  5. Step 5: Solve for x
    x = 275,299,232.29/21,629.65
  6. Step 6: Final answer
    x = 12,727.86

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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.