Home / 25,639.44-35,383.78-15,032.50

Finding the Fourth Proportional to 25,639.44, 35,383.78 and 15,032.50

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Solution

The fourth proportional to 25,639.44, 35,383.78 and 15,032.50 is: 20,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,639.44 : 35,383.78 = 15,032.50 : x
  2. Step 2: Convert to fraction form
    25,639.44/35,383.78 = 15,032.50/x
  3. Step 3: Cross multiply
    25,639.44x = 35,383.78 × 15,032.50
  4. Step 4: Simplify right side
    25,639.44x = 531,906,672.85
  5. Step 5: Solve for x
    x = 531,906,672.85/25,639.44
  6. Step 6: Final answer
    x = 20,745.64

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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.