Home / 18,629.24-27,898.29-12,035.43

Finding the Fourth Proportional to 18,629.24, 27,898.29 and 12,035.43

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Solution

The fourth proportional to 18,629.24, 27,898.29 and 12,035.43 is: 18,023.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.24 : 27,898.29 = 12,035.43 : x
  2. Step 2: Convert to fraction form
    18,629.24/27,898.29 = 12,035.43/x
  3. Step 3: Cross multiply
    18,629.24x = 27,898.29 × 12,035.43
  4. Step 4: Simplify right side
    18,629.24x = 335,767,916.41
  5. Step 5: Solve for x
    x = 335,767,916.41/18,629.24
  6. Step 6: Final answer
    x = 18,023.71

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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.