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Finding the Fourth Proportional to 21,991.08, 32,952.02 and 17,005.64

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Solution

The fourth proportional to 21,991.08, 32,952.02 and 17,005.64 is: 25,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,991.08 : 32,952.02 = 17,005.64 : x
  2. Step 2: Convert to fraction form
    21,991.08/32,952.02 = 17,005.64/x
  3. Step 3: Cross multiply
    21,991.08x = 32,952.02 × 17,005.64
  4. Step 4: Simplify right side
    21,991.08x = 560,370,189.39
  5. Step 5: Solve for x
    x = 560,370,189.39/21,991.08
  6. Step 6: Final answer
    x = 25,481.70

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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.