Home / 18,035.91-27,053.85-11,835.15

Finding the Fourth Proportional to 18,035.91, 27,053.85 and 11,835.15

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Solution

The fourth proportional to 18,035.91, 27,053.85 and 11,835.15 is: 17,752.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.91 : 27,053.85 = 11,835.15 : x
  2. Step 2: Convert to fraction form
    18,035.91/27,053.85 = 11,835.15/x
  3. Step 3: Cross multiply
    18,035.91x = 27,053.85 × 11,835.15
  4. Step 4: Simplify right side
    18,035.91x = 320,186,372.83
  5. Step 5: Solve for x
    x = 320,186,372.83/18,035.91
  6. Step 6: Final answer
    x = 17,752.72

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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.