Home / 29,680.39-40,957.13-16,251.80

Finding the Fourth Proportional to 29,680.39, 40,957.13 and 16,251.80

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Solution

The fourth proportional to 29,680.39, 40,957.13 and 16,251.80 is: 22,426.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,680.39 : 40,957.13 = 16,251.80 : x
  2. Step 2: Convert to fraction form
    29,680.39/40,957.13 = 16,251.80/x
  3. Step 3: Cross multiply
    29,680.39x = 40,957.13 × 16,251.80
  4. Step 4: Simplify right side
    29,680.39x = 665,627,004.08
  5. Step 5: Solve for x
    x = 665,627,004.08/29,680.39
  6. Step 6: Final answer
    x = 22,426.49

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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.