Home / 31,353.28-43,268.64-17,206.56

Finding the Fourth Proportional to 31,353.28, 43,268.64 and 17,206.56

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Solution

The fourth proportional to 31,353.28, 43,268.64 and 17,206.56 is: 23,745.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353.28 : 43,268.64 = 17,206.56 : x
  2. Step 2: Convert to fraction form
    31,353.28/43,268.64 = 17,206.56/x
  3. Step 3: Cross multiply
    31,353.28x = 43,268.64 × 17,206.56
  4. Step 4: Simplify right side
    31,353.28x = 744,504,450.28
  5. Step 5: Solve for x
    x = 744,504,450.28/31,353.28
  6. Step 6: Final answer
    x = 23,745.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.