Home / 31,440.24-43,388.04-17,292.96

Finding the Fourth Proportional to 31,440.24, 43,388.04 and 17,292.96

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Solution

The fourth proportional to 31,440.24, 43,388.04 and 17,292.96 is: 23,864.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,440.24 : 43,388.04 = 17,292.96 : x
  2. Step 2: Convert to fraction form
    31,440.24/43,388.04 = 17,292.96/x
  3. Step 3: Cross multiply
    31,440.24x = 43,388.04 × 17,292.96
  4. Step 4: Simplify right side
    31,440.24x = 750,307,640.20
  5. Step 5: Solve for x
    x = 750,307,640.20/31,440.24
  6. Step 6: Final answer
    x = 23,864.56

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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.