Home / 38,822.58-58,219.52-13,855.94

Finding the Fourth Proportional to 38,822.58, 58,219.52 and 13,855.94

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Solution

The fourth proportional to 38,822.58, 58,219.52 and 13,855.94 is: 20,778.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,822.58 : 58,219.52 = 13,855.94 : x
  2. Step 2: Convert to fraction form
    38,822.58/58,219.52 = 13,855.94/x
  3. Step 3: Cross multiply
    38,822.58x = 58,219.52 × 13,855.94
  4. Step 4: Simplify right side
    38,822.58x = 806,686,175.95
  5. Step 5: Solve for x
    x = 806,686,175.95/38,822.58
  6. Step 6: Final answer
    x = 20,778.79

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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.