Home / 21,026.22-31,496.22-16,843.56

Finding the Fourth Proportional to 21,026.22, 31,496.22 and 16,843.56

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Solution

The fourth proportional to 21,026.22, 31,496.22 and 16,843.56 is: 25,230.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026.22 : 31,496.22 = 16,843.56 : x
  2. Step 2: Convert to fraction form
    21,026.22/31,496.22 = 16,843.56/x
  3. Step 3: Cross multiply
    21,026.22x = 31,496.22 × 16,843.56
  4. Step 4: Simplify right side
    21,026.22x = 530,508,471.34
  5. Step 5: Solve for x
    x = 530,508,471.34/21,026.22
  6. Step 6: Final answer
    x = 25,230.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.