Home / 27,961.11-41,911.24-13,931.50

Finding the Fourth Proportional to 27,961.11, 41,911.24 and 13,931.50

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Solution

The fourth proportional to 27,961.11, 41,911.24 and 13,931.50 is: 20,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,961.11 : 41,911.24 = 13,931.50 : x
  2. Step 2: Convert to fraction form
    27,961.11/41,911.24 = 13,931.50/x
  3. Step 3: Cross multiply
    27,961.11x = 41,911.24 × 13,931.50
  4. Step 4: Simplify right side
    27,961.11x = 583,886,474.89
  5. Step 5: Solve for x
    x = 583,886,474.89/27,961.11
  6. Step 6: Final answer
    x = 20,882.10

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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.