Home / 26,227.20-39,342.72-10,640.64

Finding the Fourth Proportional to 26,227.20, 39,342.72 and 10,640.64

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Solution

The fourth proportional to 26,227.20, 39,342.72 and 10,640.64 is: 15,961.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,227.20 : 39,342.72 = 10,640.64 : x
  2. Step 2: Convert to fraction form
    26,227.20/39,342.72 = 10,640.64/x
  3. Step 3: Cross multiply
    26,227.20x = 39,342.72 × 10,640.64
  4. Step 4: Simplify right side
    26,227.20x = 418,631,720.14
  5. Step 5: Solve for x
    x = 418,631,720.14/26,227.20
  6. Step 6: Final answer
    x = 15,961.74

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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.