Home / 26,188.38-39,287.46-8,670.54

Finding the Fourth Proportional to 26,188.38, 39,287.46 and 8,670.54

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Solution

The fourth proportional to 26,188.38, 39,287.46 and 8,670.54 is: 13,007.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,188.38 : 39,287.46 = 8,670.54 : x
  2. Step 2: Convert to fraction form
    26,188.38/39,287.46 = 8,670.54/x
  3. Step 3: Cross multiply
    26,188.38x = 39,287.46 × 8,670.54
  4. Step 4: Simplify right side
    26,188.38x = 340,643,493.43
  5. Step 5: Solve for x
    x = 340,643,493.43/26,188.38
  6. Step 6: Final answer
    x = 13,007.43

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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.