Home / 21,076.26-29,218.41-19,952.67

Finding the Fourth Proportional to 21,076.26, 29,218.41 and 19,952.67

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Solution

The fourth proportional to 21,076.26, 29,218.41 and 19,952.67 is: 27,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,076.26 : 29,218.41 = 19,952.67 : x
  2. Step 2: Convert to fraction form
    21,076.26/29,218.41 = 19,952.67/x
  3. Step 3: Cross multiply
    21,076.26x = 29,218.41 × 19,952.67
  4. Step 4: Simplify right side
    21,076.26x = 582,985,292.65
  5. Step 5: Solve for x
    x = 582,985,292.65/21,076.26
  6. Step 6: Final answer
    x = 27,660.76

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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.