Home / 25,939.45-35,797.78-15,864.73

Finding the Fourth Proportional to 25,939.45, 35,797.78 and 15,864.73

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Solution

The fourth proportional to 25,939.45, 35,797.78 and 15,864.73 is: 21,894.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,939.45 : 35,797.78 = 15,864.73 : x
  2. Step 2: Convert to fraction form
    25,939.45/35,797.78 = 15,864.73/x
  3. Step 3: Cross multiply
    25,939.45x = 35,797.78 × 15,864.73
  4. Step 4: Simplify right side
    25,939.45x = 567,922,114.30
  5. Step 5: Solve for x
    x = 567,922,114.30/25,939.45
  6. Step 6: Final answer
    x = 21,894.15

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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.