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Finding the Fourth Proportional to 17,952.94, 26,921.06 and 5,474.28

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Solution

The fourth proportional to 17,952.94, 26,921.06 and 5,474.28 is: 8,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,952.94 : 26,921.06 = 5,474.28 : x
  2. Step 2: Convert to fraction form
    17,952.94/26,921.06 = 5,474.28/x
  3. Step 3: Cross multiply
    17,952.94x = 26,921.06 × 5,474.28
  4. Step 4: Simplify right side
    17,952.94x = 147,373,514.45
  5. Step 5: Solve for x
    x = 147,373,514.45/17,952.94
  6. Step 6: Final answer
    x = 8,208.88

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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.