Home / 26,399.32-39,601.58-7,679.54

Finding the Fourth Proportional to 26,399.32, 39,601.58 and 7,679.54

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Solution

The fourth proportional to 26,399.32, 39,601.58 and 7,679.54 is: 11,520.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,399.32 : 39,601.58 = 7,679.54 : x
  2. Step 2: Convert to fraction form
    26,399.32/39,601.58 = 7,679.54/x
  3. Step 3: Cross multiply
    26,399.32x = 39,601.58 × 7,679.54
  4. Step 4: Simplify right side
    26,399.32x = 304,121,978.28
  5. Step 5: Solve for x
    x = 304,121,978.28/26,399.32
  6. Step 6: Final answer
    x = 11,520.07

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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.