Home / 25,932.57-35,786.66-15,321.98

Finding the Fourth Proportional to 25,932.57, 35,786.66 and 15,321.98

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Solution

The fourth proportional to 25,932.57, 35,786.66 and 15,321.98 is: 21,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,932.57 : 35,786.66 = 15,321.98 : x
  2. Step 2: Convert to fraction form
    25,932.57/35,786.66 = 15,321.98/x
  3. Step 3: Cross multiply
    25,932.57x = 35,786.66 × 15,321.98
  4. Step 4: Simplify right side
    25,932.57x = 548,322,233.24
  5. Step 5: Solve for x
    x = 548,322,233.24/25,932.57
  6. Step 6: Final answer
    x = 21,144.15

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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.