Home / 26,635.44-39,942.77-9,986.40

Finding the Fourth Proportional to 26,635.44, 39,942.77 and 9,986.40

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Solution

The fourth proportional to 26,635.44, 39,942.77 and 9,986.40 is: 14,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,635.44 : 39,942.77 = 9,986.40 : x
  2. Step 2: Convert to fraction form
    26,635.44/39,942.77 = 9,986.40/x
  3. Step 3: Cross multiply
    26,635.44x = 39,942.77 × 9,986.40
  4. Step 4: Simplify right side
    26,635.44x = 398,884,503.29
  5. Step 5: Solve for x
    x = 398,884,503.29/26,635.44
  6. Step 6: Final answer
    x = 14,975.71

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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.