Home / 25,286.78-37,930.20-9,704.78

Finding the Fourth Proportional to 25,286.78, 37,930.20 and 9,704.78

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Solution

The fourth proportional to 25,286.78, 37,930.20 and 9,704.78 is: 14,557.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,286.78 : 37,930.20 = 9,704.78 : x
  2. Step 2: Convert to fraction form
    25,286.78/37,930.20 = 9,704.78/x
  3. Step 3: Cross multiply
    25,286.78x = 37,930.20 × 9,704.78
  4. Step 4: Simplify right side
    25,286.78x = 368,104,246.36
  5. Step 5: Solve for x
    x = 368,104,246.36/25,286.78
  6. Step 6: Final answer
    x = 14,557.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.