Home / 31,431.28-43,373.96-17,283.28

Finding the Fourth Proportional to 31,431.28, 43,373.96 and 17,283.28

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Solution

The fourth proportional to 31,431.28, 43,373.96 and 17,283.28 is: 23,850.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,431.28 : 43,373.96 = 17,283.28 : x
  2. Step 2: Convert to fraction form
    31,431.28/43,373.96 = 17,283.28/x
  3. Step 3: Cross multiply
    31,431.28x = 43,373.96 × 17,283.28
  4. Step 4: Simplify right side
    31,431.28x = 749,644,295.39
  5. Step 5: Solve for x
    x = 749,644,295.39/31,431.28
  6. Step 6: Final answer
    x = 23,850.26

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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.