Home / 43,857.85-65,787.39-14,275.84

Finding the Fourth Proportional to 43,857.85, 65,787.39 and 14,275.84

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Solution

The fourth proportional to 43,857.85, 65,787.39 and 14,275.84 is: 21,413.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,857.85 : 65,787.39 = 14,275.84 : x
  2. Step 2: Convert to fraction form
    43,857.85/65,787.39 = 14,275.84/x
  3. Step 3: Cross multiply
    43,857.85x = 65,787.39 × 14,275.84
  4. Step 4: Simplify right side
    43,857.85x = 939,170,253.66
  5. Step 5: Solve for x
    x = 939,170,253.66/43,857.85
  6. Step 6: Final answer
    x = 21,413.96

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1.5x scale

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.