Home / 21,722.08-29,961.00-19,935.33

Finding the Fourth Proportional to 21,722.08, 29,961.00 and 19,935.33

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Solution

The fourth proportional to 21,722.08, 29,961.00 and 19,935.33 is: 27,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,722.08 : 29,961.00 = 19,935.33 : x
  2. Step 2: Convert to fraction form
    21,722.08/29,961.00 = 19,935.33/x
  3. Step 3: Cross multiply
    21,722.08x = 29,961.00 × 19,935.33
  4. Step 4: Simplify right side
    21,722.08x = 597,282,380.19
  5. Step 5: Solve for x
    x = 597,282,380.19/21,722.08
  6. Step 6: Final answer
    x = 27,496.55

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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.