Home / 18,420.24-27,635.76-5,940.02

Finding the Fourth Proportional to 18,420.24, 27,635.76 and 5,940.02

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Solution

The fourth proportional to 18,420.24, 27,635.76 and 5,940.02 is: 8,911.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,420.24 : 27,635.76 = 5,940.02 : x
  2. Step 2: Convert to fraction form
    18,420.24/27,635.76 = 5,940.02/x
  3. Step 3: Cross multiply
    18,420.24x = 27,635.76 × 5,940.02
  4. Step 4: Simplify right side
    18,420.24x = 164,156,828.94
  5. Step 5: Solve for x
    x = 164,156,828.94/18,420.24
  6. Step 6: Final answer
    x = 8,911.76

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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.