Home / 21,614.12-29,825.30-15,951.96

Finding the Fourth Proportional to 21,614.12, 29,825.30 and 15,951.96

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Solution

The fourth proportional to 21,614.12, 29,825.30 and 15,951.96 is: 22,012.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,614.12 : 29,825.30 = 15,951.96 : x
  2. Step 2: Convert to fraction form
    21,614.12/29,825.30 = 15,951.96/x
  3. Step 3: Cross multiply
    21,614.12x = 29,825.30 × 15,951.96
  4. Step 4: Simplify right side
    21,614.12x = 475,771,992.59
  5. Step 5: Solve for x
    x = 475,771,992.59/21,614.12
  6. Step 6: Final answer
    x = 22,012.09

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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.