Home / 27,828.54-41,742.81-16,861.50

Finding the Fourth Proportional to 27,828.54, 41,742.81 and 16,861.50

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Solution

The fourth proportional to 27,828.54, 41,742.81 and 16,861.50 is: 25,292.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,828.54 : 41,742.81 = 16,861.50 : x
  2. Step 2: Convert to fraction form
    27,828.54/41,742.81 = 16,861.50/x
  3. Step 3: Cross multiply
    27,828.54x = 41,742.81 × 16,861.50
  4. Step 4: Simplify right side
    27,828.54x = 703,846,390.82
  5. Step 5: Solve for x
    x = 703,846,390.82/27,828.54
  6. Step 6: Final answer
    x = 25,292.25

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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.