Home / 21,822.08-32,747.45-11,968.27

Finding the Fourth Proportional to 21,822.08, 32,747.45 and 11,968.27

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Solution

The fourth proportional to 21,822.08, 32,747.45 and 11,968.27 is: 17,960.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,822.08 : 32,747.45 = 11,968.27 : x
  2. Step 2: Convert to fraction form
    21,822.08/32,747.45 = 11,968.27/x
  3. Step 3: Cross multiply
    21,822.08x = 32,747.45 × 11,968.27
  4. Step 4: Simplify right side
    21,822.08x = 391,930,181.70
  5. Step 5: Solve for x
    x = 391,930,181.70/21,822.08
  6. Step 6: Final answer
    x = 17,960.26

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1.5x scale

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.