Home / 21,034.68-29,027.40-11,474.64

Finding the Fourth Proportional to 21,034.68, 29,027.40 and 11,474.64

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Solution

The fourth proportional to 21,034.68, 29,027.40 and 11,474.64 is: 15,834.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,034.68 : 29,027.40 = 11,474.64 : x
  2. Step 2: Convert to fraction form
    21,034.68/29,027.40 = 11,474.64/x
  3. Step 3: Cross multiply
    21,034.68x = 29,027.40 × 11,474.64
  4. Step 4: Simplify right side
    21,034.68x = 333,078,965.14
  5. Step 5: Solve for x
    x = 333,078,965.14/21,034.68
  6. Step 6: Final answer
    x = 15,834.75

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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.