Home / 30,208.27-41,688.17-16,778.88

Finding the Fourth Proportional to 30,208.27, 41,688.17 and 16,778.88

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Solution

The fourth proportional to 30,208.27, 41,688.17 and 16,778.88 is: 23,155.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208.27 : 41,688.17 = 16,778.88 : x
  2. Step 2: Convert to fraction form
    30,208.27/41,688.17 = 16,778.88/x
  3. Step 3: Cross multiply
    30,208.27x = 41,688.17 × 16,778.88
  4. Step 4: Simplify right side
    30,208.27x = 699,480,801.85
  5. Step 5: Solve for x
    x = 699,480,801.85/30,208.27
  6. Step 6: Final answer
    x = 23,155.28

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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.