Home / 18,029.70-27,102.66-16,719.51

Finding the Fourth Proportional to 18,029.70, 27,102.66 and 16,719.51

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Solution

The fourth proportional to 18,029.70, 27,102.66 and 16,719.51 is: 25,133.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,029.70 : 27,102.66 = 16,719.51 : x
  2. Step 2: Convert to fraction form
    18,029.70/27,102.66 = 16,719.51/x
  3. Step 3: Cross multiply
    18,029.70x = 27,102.66 × 16,719.51
  4. Step 4: Simplify right side
    18,029.70x = 453,143,194.90
  5. Step 5: Solve for x
    x = 453,143,194.90/18,029.70
  6. Step 6: Final answer
    x = 25,133.15

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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.