Home / 28,991.92-40,007.73-16,416.70

Finding the Fourth Proportional to 28,991.92, 40,007.73 and 16,416.70

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Solution

The fourth proportional to 28,991.92, 40,007.73 and 16,416.70 is: 22,654.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,991.92 : 40,007.73 = 16,416.70 : x
  2. Step 2: Convert to fraction form
    28,991.92/40,007.73 = 16,416.70/x
  3. Step 3: Cross multiply
    28,991.92x = 40,007.73 × 16,416.70
  4. Step 4: Simplify right side
    28,991.92x = 656,794,901.09
  5. Step 5: Solve for x
    x = 656,794,901.09/28,991.92
  6. Step 6: Final answer
    x = 22,654.41

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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.