Home / 27,890.10-41,797.14-15,391.50

Finding the Fourth Proportional to 27,890.10, 41,797.14 and 15,391.50

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Solution

The fourth proportional to 27,890.10, 41,797.14 and 15,391.50 is: 23,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,890.10 : 41,797.14 = 15,391.50 : x
  2. Step 2: Convert to fraction form
    27,890.10/41,797.14 = 15,391.50/x
  3. Step 3: Cross multiply
    27,890.10x = 41,797.14 × 15,391.50
  4. Step 4: Simplify right side
    27,890.10x = 643,320,680.31
  5. Step 5: Solve for x
    x = 643,320,680.31/27,890.10
  6. Step 6: Final answer
    x = 23,066.27

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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.