Home / 26,645.27-39,932.46-9,988.56

Finding the Fourth Proportional to 26,645.27, 39,932.46 and 9,988.56

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Solution

The fourth proportional to 26,645.27, 39,932.46 and 9,988.56 is: 14,969.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,645.27 : 39,932.46 = 9,988.56 : x
  2. Step 2: Convert to fraction form
    26,645.27/39,932.46 = 9,988.56/x
  3. Step 3: Cross multiply
    26,645.27x = 39,932.46 × 9,988.56
  4. Step 4: Simplify right side
    26,645.27x = 398,867,772.66
  5. Step 5: Solve for x
    x = 398,867,772.66/26,645.27
  6. Step 6: Final answer
    x = 14,969.56

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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.