Home / 26,322.36-39,481.92-8,790.72

Finding the Fourth Proportional to 26,322.36, 39,481.92 and 8,790.72

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Solution

The fourth proportional to 26,322.36, 39,481.92 and 8,790.72 is: 13,185.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,322.36 : 39,481.92 = 8,790.72 : x
  2. Step 2: Convert to fraction form
    26,322.36/39,481.92 = 8,790.72/x
  3. Step 3: Cross multiply
    26,322.36x = 39,481.92 × 8,790.72
  4. Step 4: Simplify right side
    26,322.36x = 347,074,503.78
  5. Step 5: Solve for x
    x = 347,074,503.78/26,322.36
  6. Step 6: Final answer
    x = 13,185.54

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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.