Home / 26,128.26-39,207.96-9,489.60

Finding the Fourth Proportional to 26,128.26, 39,207.96 and 9,489.60

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Solution

The fourth proportional to 26,128.26, 39,207.96 and 9,489.60 is: 14,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,128.26 : 39,207.96 = 9,489.60 : x
  2. Step 2: Convert to fraction form
    26,128.26/39,207.96 = 9,489.60/x
  3. Step 3: Cross multiply
    26,128.26x = 39,207.96 × 9,489.60
  4. Step 4: Simplify right side
    26,128.26x = 372,067,857.22
  5. Step 5: Solve for x
    x = 372,067,857.22/26,128.26
  6. Step 6: Final answer
    x = 14,240.05

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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.