Home / 31,419.41-43,344.32-27,838.00

Finding the Fourth Proportional to 31,419.41, 43,344.32 and 27,838.00

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Solution

The fourth proportional to 31,419.41, 43,344.32 and 27,838.00 is: 38,403.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,419.41 : 43,344.32 = 27,838.00 : x
  2. Step 2: Convert to fraction form
    31,419.41/43,344.32 = 27,838.00/x
  3. Step 3: Cross multiply
    31,419.41x = 43,344.32 × 27,838.00
  4. Step 4: Simplify right side
    31,419.41x = 1,206,619,086.22
  5. Step 5: Solve for x
    x = 1,206,619,086.22/31,419.41
  6. Step 6: Final answer
    x = 38,403.62

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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.