Home / 21,949.49-32,859.96-13,604.33

Finding the Fourth Proportional to 21,949.49, 32,859.96 and 13,604.33

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Solution

The fourth proportional to 21,949.49, 32,859.96 and 13,604.33 is: 20,366.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,949.49 : 32,859.96 = 13,604.33 : x
  2. Step 2: Convert to fraction form
    21,949.49/32,859.96 = 13,604.33/x
  3. Step 3: Cross multiply
    21,949.49x = 32,859.96 × 13,604.33
  4. Step 4: Simplify right side
    21,949.49x = 447,037,739.63
  5. Step 5: Solve for x
    x = 447,037,739.63/21,949.49
  6. Step 6: Final answer
    x = 20,366.66

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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.