Home / 28,908.87-39,894.30-16,333.62

Finding the Fourth Proportional to 28,908.87, 39,894.30 and 16,333.62

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Solution

The fourth proportional to 28,908.87, 39,894.30 and 16,333.62 is: 22,540.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908.87 : 39,894.30 = 16,333.62 : x
  2. Step 2: Convert to fraction form
    28,908.87/39,894.30 = 16,333.62/x
  3. Step 3: Cross multiply
    28,908.87x = 39,894.30 × 16,333.62
  4. Step 4: Simplify right side
    28,908.87x = 651,618,336.37
  5. Step 5: Solve for x
    x = 651,618,336.37/28,908.87
  6. Step 6: Final answer
    x = 22,540.43

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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.