Home / 21,064.68-29,059.02-13,982.04

Finding the Fourth Proportional to 21,064.68, 29,059.02 and 13,982.04

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Solution

The fourth proportional to 21,064.68, 29,059.02 and 13,982.04 is: 19,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,064.68 : 29,059.02 = 13,982.04 : x
  2. Step 2: Convert to fraction form
    21,064.68/29,059.02 = 13,982.04/x
  3. Step 3: Cross multiply
    21,064.68x = 29,059.02 × 13,982.04
  4. Step 4: Simplify right side
    21,064.68x = 406,304,380.00
  5. Step 5: Solve for x
    x = 406,304,380.00/21,064.68
  6. Step 6: Final answer
    x = 19,288.42

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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.