Home / 21,195.44-29,232.18-16,107.84

Finding the Fourth Proportional to 21,195.44, 29,232.18 and 16,107.84

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Solution

The fourth proportional to 21,195.44, 29,232.18 and 16,107.84 is: 22,215.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,195.44 : 29,232.18 = 16,107.84 : x
  2. Step 2: Convert to fraction form
    21,195.44/29,232.18 = 16,107.84/x
  3. Step 3: Cross multiply
    21,195.44x = 29,232.18 × 16,107.84
  4. Step 4: Simplify right side
    21,195.44x = 470,867,278.29
  5. Step 5: Solve for x
    x = 470,867,278.29/21,195.44
  6. Step 6: Final answer
    x = 22,215.50

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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.