Home / 28,744.20-39,666.94-16,168.95

Finding the Fourth Proportional to 28,744.20, 39,666.94 and 16,168.95

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Solution

The fourth proportional to 28,744.20, 39,666.94 and 16,168.95 is: 22,313.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,744.20 : 39,666.94 = 16,168.95 : x
  2. Step 2: Convert to fraction form
    28,744.20/39,666.94 = 16,168.95/x
  3. Step 3: Cross multiply
    28,744.20x = 39,666.94 × 16,168.95
  4. Step 4: Simplify right side
    28,744.20x = 641,372,729.09
  5. Step 5: Solve for x
    x = 641,372,729.09/28,744.20
  6. Step 6: Final answer
    x = 22,313.12

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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.