Home / 23,121.63-31,906.04-13,052.52

Finding the Fourth Proportional to 23,121.63, 31,906.04 and 13,052.52

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Solution

The fourth proportional to 23,121.63, 31,906.04 and 13,052.52 is: 18,011.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,121.63 : 31,906.04 = 13,052.52 : x
  2. Step 2: Convert to fraction form
    23,121.63/31,906.04 = 13,052.52/x
  3. Step 3: Cross multiply
    23,121.63x = 31,906.04 × 13,052.52
  4. Step 4: Simplify right side
    23,121.63x = 416,454,159.96
  5. Step 5: Solve for x
    x = 416,454,159.96/23,121.63
  6. Step 6: Final answer
    x = 18,011.45

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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.