Home / 27,688.24-41,540.32-12,905.92

Finding the Fourth Proportional to 27,688.24, 41,540.32 and 12,905.92

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Solution

The fourth proportional to 27,688.24, 41,540.32 and 12,905.92 is: 19,362.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,688.24 : 41,540.32 = 12,905.92 : x
  2. Step 2: Convert to fraction form
    27,688.24/41,540.32 = 12,905.92/x
  3. Step 3: Cross multiply
    27,688.24x = 41,540.32 × 12,905.92
  4. Step 4: Simplify right side
    27,688.24x = 536,116,046.69
  5. Step 5: Solve for x
    x = 536,116,046.69/27,688.24
  6. Step 6: Final answer
    x = 19,362.59

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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.