Home / 15,928.73-23,896.10-5,255.70

Finding the Fourth Proportional to 15,928.73, 23,896.10 and 5,255.70

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Solution

The fourth proportional to 15,928.73, 23,896.10 and 5,255.70 is: 7,884.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,928.73 : 23,896.10 = 5,255.70 : x
  2. Step 2: Convert to fraction form
    15,928.73/23,896.10 = 5,255.70/x
  3. Step 3: Cross multiply
    15,928.73x = 23,896.10 × 5,255.70
  4. Step 4: Simplify right side
    15,928.73x = 125,590,706.49
  5. Step 5: Solve for x
    x = 125,590,706.49/15,928.73
  6. Step 6: Final answer
    x = 7,884.54

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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.