Home / 26,790.66-40,185.99-9,260.64

Finding the Fourth Proportional to 26,790.66, 40,185.99 and 9,260.64

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Solution

The fourth proportional to 26,790.66, 40,185.99 and 9,260.64 is: 13,890.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,790.66 : 40,185.99 = 9,260.64 : x
  2. Step 2: Convert to fraction form
    26,790.66/40,185.99 = 9,260.64/x
  3. Step 3: Cross multiply
    26,790.66x = 40,185.99 × 9,260.64
  4. Step 4: Simplify right side
    26,790.66x = 372,147,986.43
  5. Step 5: Solve for x
    x = 372,147,986.43/26,790.66
  6. Step 6: Final answer
    x = 13,890.96

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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.