Home / 21,371.21-29,473.08-17,797.97

Finding the Fourth Proportional to 21,371.21, 29,473.08 and 17,797.97

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Solution

The fourth proportional to 21,371.21, 29,473.08 and 17,797.97 is: 24,545.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,371.21 : 29,473.08 = 17,797.97 : x
  2. Step 2: Convert to fraction form
    21,371.21/29,473.08 = 17,797.97/x
  3. Step 3: Cross multiply
    21,371.21x = 29,473.08 × 17,797.97
  4. Step 4: Simplify right side
    21,371.21x = 524,560,846.28
  5. Step 5: Solve for x
    x = 524,560,846.28/21,371.21
  6. Step 6: Final answer
    x = 24,545.22

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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.