Home / 27,935.82-41,902.79-12,140.85

Finding the Fourth Proportional to 27,935.82, 41,902.79 and 12,140.85

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Solution

The fourth proportional to 27,935.82, 41,902.79 and 12,140.85 is: 18,210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,935.82 : 41,902.79 = 12,140.85 : x
  2. Step 2: Convert to fraction form
    27,935.82/41,902.79 = 12,140.85/x
  3. Step 3: Cross multiply
    27,935.82x = 41,902.79 × 12,140.85
  4. Step 4: Simplify right side
    27,935.82x = 508,735,487.97
  5. Step 5: Solve for x
    x = 508,735,487.97/27,935.82
  6. Step 6: Final answer
    x = 18,210.87

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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.