Home / 28,949.35-39,950.82-16,202.43

Finding the Fourth Proportional to 28,949.35, 39,950.82 and 16,202.43

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Solution

The fourth proportional to 28,949.35, 39,950.82 and 16,202.43 is: 22,359.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,949.35 : 39,950.82 = 16,202.43 : x
  2. Step 2: Convert to fraction form
    28,949.35/39,950.82 = 16,202.43/x
  3. Step 3: Cross multiply
    28,949.35x = 39,950.82 × 16,202.43
  4. Step 4: Simplify right side
    28,949.35x = 647,300,364.49
  5. Step 5: Solve for x
    x = 647,300,364.49/28,949.35
  6. Step 6: Final answer
    x = 22,359.75

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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.