Home / 25,441.24-35,112.12-21,185.92

Finding the Fourth Proportional to 25,441.24, 35,112.12 and 21,185.92

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Solution

The fourth proportional to 25,441.24, 35,112.12 and 21,185.92 is: 29,239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,441.24 : 35,112.12 = 21,185.92 : x
  2. Step 2: Convert to fraction form
    25,441.24/35,112.12 = 21,185.92/x
  3. Step 3: Cross multiply
    25,441.24x = 35,112.12 × 21,185.92
  4. Step 4: Simplify right side
    25,441.24x = 743,882,565.35
  5. Step 5: Solve for x
    x = 743,882,565.35/25,441.24
  6. Step 6: Final answer
    x = 29,239.24

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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.