Home / 25,949.35-35,812.75-15,884.44

Finding the Fourth Proportional to 25,949.35, 35,812.75 and 15,884.44

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Solution

The fourth proportional to 25,949.35, 35,812.75 and 15,884.44 is: 21,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,949.35 : 35,812.75 = 15,884.44 : x
  2. Step 2: Convert to fraction form
    25,949.35/35,812.75 = 15,884.44/x
  3. Step 3: Cross multiply
    25,949.35x = 35,812.75 × 15,884.44
  4. Step 4: Simplify right side
    25,949.35x = 568,865,568.14
  5. Step 5: Solve for x
    x = 568,865,568.14/25,949.35
  6. Step 6: Final answer
    x = 21,922.15

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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.