Home / 27,865.08-41,811.99-18,511.56

Finding the Fourth Proportional to 27,865.08, 41,811.99 and 18,511.56

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Solution

The fourth proportional to 27,865.08, 41,811.99 and 18,511.56 is: 27,776.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,865.08 : 41,811.99 = 18,511.56 : x
  2. Step 2: Convert to fraction form
    27,865.08/41,811.99 = 18,511.56/x
  3. Step 3: Cross multiply
    27,865.08x = 41,811.99 × 18,511.56
  4. Step 4: Simplify right side
    27,865.08x = 774,005,161.60
  5. Step 5: Solve for x
    x = 774,005,161.60/27,865.08
  6. Step 6: Final answer
    x = 27,776.89

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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.