Home / 43,867.85-65,787.05-14,278.73

Finding the Fourth Proportional to 43,867.85, 65,787.05 and 14,278.73

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Solution

The fourth proportional to 43,867.85, 65,787.05 and 14,278.73 is: 21,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,867.85 : 65,787.05 = 14,278.73 : x
  2. Step 2: Convert to fraction form
    43,867.85/65,787.05 = 14,278.73/x
  3. Step 3: Cross multiply
    43,867.85x = 65,787.05 × 14,278.73
  4. Step 4: Simplify right side
    43,867.85x = 939,355,231.21
  5. Step 5: Solve for x
    x = 939,355,231.21/43,867.85
  6. Step 6: Final answer
    x = 21,413.30

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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.