Home / 21,027.68-29,016-12,073.44

Finding the Fourth Proportional to 21,027.68, 29,016 and 12,073.44

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Solution

The fourth proportional to 21,027.68, 29,016 and 12,073.44 is: 16,660.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,027.68 : 29,016 = 12,073.44 : x
  2. Step 2: Convert to fraction form
    21,027.68/29,016 = 12,073.44/x
  3. Step 3: Cross multiply
    21,027.68x = 29,016 × 12,073.44
  4. Step 4: Simplify right side
    21,027.68x = 350,322,935.04
  5. Step 5: Solve for x
    x = 350,322,935.04/21,027.68
  6. Step 6: Final answer
    x = 16,660.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.