Home / 22,845.92-34,221.12-18,379.40

Finding the Fourth Proportional to 22,845.92, 34,221.12 and 18,379.40

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Solution

The fourth proportional to 22,845.92, 34,221.12 and 18,379.40 is: 27,530.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,845.92 : 34,221.12 = 18,379.40 : x
  2. Step 2: Convert to fraction form
    22,845.92/34,221.12 = 18,379.40/x
  3. Step 3: Cross multiply
    22,845.92x = 34,221.12 × 18,379.40
  4. Step 4: Simplify right side
    22,845.92x = 628,963,652.93
  5. Step 5: Solve for x
    x = 628,963,652.93/22,845.92
  6. Step 6: Final answer
    x = 27,530.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.