Home / 21,108.52-29,262.97-19,984.96

Finding the Fourth Proportional to 21,108.52, 29,262.97 and 19,984.96

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Solution

The fourth proportional to 21,108.52, 29,262.97 and 19,984.96 is: 27,705.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,108.52 : 29,262.97 = 19,984.96 : x
  2. Step 2: Convert to fraction form
    21,108.52/29,262.97 = 19,984.96/x
  3. Step 3: Cross multiply
    21,108.52x = 29,262.97 × 19,984.96
  4. Step 4: Simplify right side
    21,108.52x = 584,819,284.93
  5. Step 5: Solve for x
    x = 584,819,284.93/21,108.52
  6. Step 6: Final answer
    x = 27,705.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.