Home / 26,947.78-40,421.68-8,227.94

Finding the Fourth Proportional to 26,947.78, 40,421.68 and 8,227.94

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Solution

The fourth proportional to 26,947.78, 40,421.68 and 8,227.94 is: 12,341.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,947.78 : 40,421.68 = 8,227.94 : x
  2. Step 2: Convert to fraction form
    26,947.78/40,421.68 = 8,227.94/x
  3. Step 3: Cross multiply
    26,947.78x = 40,421.68 × 8,227.94
  4. Step 4: Simplify right side
    26,947.78x = 332,586,935.06
  5. Step 5: Solve for x
    x = 332,586,935.06/26,947.78
  6. Step 6: Final answer
    x = 12,341.91

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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.