Home / 21,351.22-32,040.66-9,664.54

Finding the Fourth Proportional to 21,351.22, 32,040.66 and 9,664.54

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Solution

The fourth proportional to 21,351.22, 32,040.66 and 9,664.54 is: 14,503.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351.22 : 32,040.66 = 9,664.54 : x
  2. Step 2: Convert to fraction form
    21,351.22/32,040.66 = 9,664.54/x
  3. Step 3: Cross multiply
    21,351.22x = 32,040.66 × 9,664.54
  4. Step 4: Simplify right side
    21,351.22x = 309,658,240.20
  5. Step 5: Solve for x
    x = 309,658,240.20/21,351.22
  6. Step 6: Final answer
    x = 14,503.07

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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.