Home / 25,486.40-38,229.60-7,957.73

Finding the Fourth Proportional to 25,486.40, 38,229.60 and 7,957.73

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Solution

The fourth proportional to 25,486.40, 38,229.60 and 7,957.73 is: 11,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,486.40 : 38,229.60 = 7,957.73 : x
  2. Step 2: Convert to fraction form
    25,486.40/38,229.60 = 7,957.73/x
  3. Step 3: Cross multiply
    25,486.40x = 38,229.60 × 7,957.73
  4. Step 4: Simplify right side
    25,486.40x = 304,220,930.38
  5. Step 5: Solve for x
    x = 304,220,930.38/25,486.40
  6. Step 6: Final answer
    x = 11,936.60

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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.