Home / 27,935.67-41,847.39-12,921.76

Finding the Fourth Proportional to 27,935.67, 41,847.39 and 12,921.76

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Solution

The fourth proportional to 27,935.67, 41,847.39 and 12,921.76 is: 19,356.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,935.67 : 41,847.39 = 12,921.76 : x
  2. Step 2: Convert to fraction form
    27,935.67/41,847.39 = 12,921.76/x
  3. Step 3: Cross multiply
    27,935.67x = 41,847.39 × 12,921.76
  4. Step 4: Simplify right side
    27,935.67x = 540,741,930.21
  5. Step 5: Solve for x
    x = 540,741,930.21/27,935.67
  6. Step 6: Final answer
    x = 19,356.68

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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.