Home / 21,544.58-29,713.68-15,192.32

Finding the Fourth Proportional to 21,544.58, 29,713.68 and 15,192.32

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Solution

The fourth proportional to 21,544.58, 29,713.68 and 15,192.32 is: 20,952.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,544.58 : 29,713.68 = 15,192.32 : x
  2. Step 2: Convert to fraction form
    21,544.58/29,713.68 = 15,192.32/x
  3. Step 3: Cross multiply
    21,544.58x = 29,713.68 × 15,192.32
  4. Step 4: Simplify right side
    21,544.58x = 451,419,734.94
  5. Step 5: Solve for x
    x = 451,419,734.94/21,544.58
  6. Step 6: Final answer
    x = 20,952.82

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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.