Home / 21,962.28-32,943.34-6,379.88

Finding the Fourth Proportional to 21,962.28, 32,943.34 and 6,379.88

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Solution

The fourth proportional to 21,962.28, 32,943.34 and 6,379.88 is: 9,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,962.28 : 32,943.34 = 6,379.88 : x
  2. Step 2: Convert to fraction form
    21,962.28/32,943.34 = 6,379.88/x
  3. Step 3: Cross multiply
    21,962.28x = 32,943.34 × 6,379.88
  4. Step 4: Simplify right side
    21,962.28x = 210,174,556.00
  5. Step 5: Solve for x
    x = 210,174,556.00/21,962.28
  6. Step 6: Final answer
    x = 9,569.80

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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.