Home / 28,839.30-39,791.43-16,261.62

Finding the Fourth Proportional to 28,839.30, 39,791.43 and 16,261.62

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Solution

The fourth proportional to 28,839.30, 39,791.43 and 16,261.62 is: 22,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839.30 : 39,791.43 = 16,261.62 : x
  2. Step 2: Convert to fraction form
    28,839.30/39,791.43 = 16,261.62/x
  3. Step 3: Cross multiply
    28,839.30x = 39,791.43 × 16,261.62
  4. Step 4: Simplify right side
    28,839.30x = 647,073,113.92
  5. Step 5: Solve for x
    x = 647,073,113.92/28,839.30
  6. Step 6: Final answer
    x = 22,437.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.