Home / 27,288.56-40,942.52-15,611.60

Finding the Fourth Proportional to 27,288.56, 40,942.52 and 15,611.60

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Solution

The fourth proportional to 27,288.56, 40,942.52 and 15,611.60 is: 23,422.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288.56 : 40,942.52 = 15,611.60 : x
  2. Step 2: Convert to fraction form
    27,288.56/40,942.52 = 15,611.60/x
  3. Step 3: Cross multiply
    27,288.56x = 40,942.52 × 15,611.60
  4. Step 4: Simplify right side
    27,288.56x = 639,178,245.23
  5. Step 5: Solve for x
    x = 639,178,245.23/27,288.56
  6. Step 6: Final answer
    x = 23,422.94

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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.