Home / 21,744.83-32,615.19-6,949.78

Finding the Fourth Proportional to 21,744.83, 32,615.19 and 6,949.78

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Solution

The fourth proportional to 21,744.83, 32,615.19 and 6,949.78 is: 10,424.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,744.83 : 32,615.19 = 6,949.78 : x
  2. Step 2: Convert to fraction form
    21,744.83/32,615.19 = 6,949.78/x
  3. Step 3: Cross multiply
    21,744.83x = 32,615.19 × 6,949.78
  4. Step 4: Simplify right side
    21,744.83x = 226,668,313.62
  5. Step 5: Solve for x
    x = 226,668,313.62/21,744.83
  6. Step 6: Final answer
    x = 10,424.01

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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.