Home / 18,028.24-27,032.12-13,154

Finding the Fourth Proportional to 18,028.24, 27,032.12 and 13,154

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Solution

The fourth proportional to 18,028.24, 27,032.12 and 13,154 is: 19,723.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028.24 : 27,032.12 = 13,154 : x
  2. Step 2: Convert to fraction form
    18,028.24/27,032.12 = 13,154/x
  3. Step 3: Cross multiply
    18,028.24x = 27,032.12 × 13,154
  4. Step 4: Simplify right side
    18,028.24x = 355,580,506.48
  5. Step 5: Solve for x
    x = 355,580,506.48/18,028.24
  6. Step 6: Final answer
    x = 19,723.53

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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.