Home / 27,944.78-41,860.94-12,930.76

Finding the Fourth Proportional to 27,944.78, 41,860.94 and 12,930.76

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Solution

The fourth proportional to 27,944.78, 41,860.94 and 12,930.76 is: 19,370.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,944.78 : 41,860.94 = 12,930.76 : x
  2. Step 2: Convert to fraction form
    27,944.78/41,860.94 = 12,930.76/x
  3. Step 3: Cross multiply
    27,944.78x = 41,860.94 × 12,930.76
  4. Step 4: Simplify right side
    27,944.78x = 541,293,768.51
  5. Step 5: Solve for x
    x = 541,293,768.51/27,944.78
  6. Step 6: Final answer
    x = 19,370.12

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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.