Home / 38,122.40-57,187.40-15,942.72

Finding the Fourth Proportional to 38,122.40, 57,187.40 and 15,942.72

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Solution

The fourth proportional to 38,122.40, 57,187.40 and 15,942.72 is: 23,915.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,122.40 : 57,187.40 = 15,942.72 : x
  2. Step 2: Convert to fraction form
    38,122.40/57,187.40 = 15,942.72/x
  3. Step 3: Cross multiply
    38,122.40x = 57,187.40 × 15,942.72
  4. Step 4: Simplify right side
    38,122.40x = 911,722,705.73
  5. Step 5: Solve for x
    x = 911,722,705.73/38,122.40
  6. Step 6: Final answer
    x = 23,915.67

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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.