Home / 27,885.81-41,856.05-20,469.25

Finding the Fourth Proportional to 27,885.81, 41,856.05 and 20,469.25

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Solution

The fourth proportional to 27,885.81, 41,856.05 and 20,469.25 is: 30,723.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,885.81 : 41,856.05 = 20,469.25 : x
  2. Step 2: Convert to fraction form
    27,885.81/41,856.05 = 20,469.25/x
  3. Step 3: Cross multiply
    27,885.81x = 41,856.05 × 20,469.25
  4. Step 4: Simplify right side
    27,885.81x = 856,761,898.00
  5. Step 5: Solve for x
    x = 856,761,898.00/27,885.81
  6. Step 6: Final answer
    x = 30,723.94

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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.