Home / 31,422.28-43,361.58-17,274.28

Finding the Fourth Proportional to 31,422.28, 43,361.58 and 17,274.28

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Solution

The fourth proportional to 31,422.28, 43,361.58 and 17,274.28 is: 23,837.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,422.28 : 43,361.58 = 17,274.28 : x
  2. Step 2: Convert to fraction form
    31,422.28/43,361.58 = 17,274.28/x
  3. Step 3: Cross multiply
    31,422.28x = 43,361.58 × 17,274.28
  4. Step 4: Simplify right side
    31,422.28x = 749,040,074.16
  5. Step 5: Solve for x
    x = 749,040,074.16/31,422.28
  6. Step 6: Final answer
    x = 23,837.87

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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.