Home / 38,827.81-58,226.97-13,863.21

Finding the Fourth Proportional to 38,827.81, 58,226.97 and 13,863.21

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Solution

The fourth proportional to 38,827.81, 58,226.97 and 13,863.21 is: 20,789.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,827.81 : 58,226.97 = 13,863.21 : x
  2. Step 2: Convert to fraction form
    38,827.81/58,226.97 = 13,863.21/x
  3. Step 3: Cross multiply
    38,827.81x = 58,226.97 × 13,863.21
  4. Step 4: Simplify right side
    38,827.81x = 807,212,712.77
  5. Step 5: Solve for x
    x = 807,212,712.77/38,827.81
  6. Step 6: Final answer
    x = 20,789.55

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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.