Home / 27,621.70-41,438.55-10,091.50

Finding the Fourth Proportional to 27,621.70, 41,438.55 and 10,091.50

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Solution

The fourth proportional to 27,621.70, 41,438.55 and 10,091.50 is: 15,139.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621.70 : 41,438.55 = 10,091.50 : x
  2. Step 2: Convert to fraction form
    27,621.70/41,438.55 = 10,091.50/x
  3. Step 3: Cross multiply
    27,621.70x = 41,438.55 × 10,091.50
  4. Step 4: Simplify right side
    27,621.70x = 418,177,127.33
  5. Step 5: Solve for x
    x = 418,177,127.33/27,621.70
  6. Step 6: Final answer
    x = 15,139.44

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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.