Home / 38,910.92-58,372.14-14,285

Finding the Fourth Proportional to 38,910.92, 58,372.14 and 14,285

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Solution

The fourth proportional to 38,910.92, 58,372.14 and 14,285 is: 21,429.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,910.92 : 58,372.14 = 14,285 : x
  2. Step 2: Convert to fraction form
    38,910.92/58,372.14 = 14,285/x
  3. Step 3: Cross multiply
    38,910.92x = 58,372.14 × 14,285
  4. Step 4: Simplify right side
    38,910.92x = 833,846,019.90
  5. Step 5: Solve for x
    x = 833,846,019.90/38,910.92
  6. Step 6: Final answer
    x = 21,429.61

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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.