Home / 38,850.98-58,270.19-13,886.78

Finding the Fourth Proportional to 38,850.98, 58,270.19 and 13,886.78

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Solution

The fourth proportional to 38,850.98, 58,270.19 and 13,886.78 is: 20,827.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,850.98 : 58,270.19 = 13,886.78 : x
  2. Step 2: Convert to fraction form
    38,850.98/58,270.19 = 13,886.78/x
  3. Step 3: Cross multiply
    38,850.98x = 58,270.19 × 13,886.78
  4. Step 4: Simplify right side
    38,850.98x = 809,184,948.30
  5. Step 5: Solve for x
    x = 809,184,948.30/38,850.98
  6. Step 6: Final answer
    x = 20,827.92

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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.