Home / 26,163.60-39,239.91-8,629.32

Finding the Fourth Proportional to 26,163.60, 39,239.91 and 8,629.32

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Solution

The fourth proportional to 26,163.60, 39,239.91 and 8,629.32 is: 12,942.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,163.60 : 39,239.91 = 8,629.32 : x
  2. Step 2: Convert to fraction form
    26,163.60/39,239.91 = 8,629.32/x
  3. Step 3: Cross multiply
    26,163.60x = 39,239.91 × 8,629.32
  4. Step 4: Simplify right side
    26,163.60x = 338,613,740.16
  5. Step 5: Solve for x
    x = 338,613,740.16/26,163.60
  6. Step 6: Final answer
    x = 12,942.17

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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.