Home / 23,128.43-31,917.08-12,517.83

Finding the Fourth Proportional to 23,128.43, 31,917.08 and 12,517.83

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Solution

The fourth proportional to 23,128.43, 31,917.08 and 12,517.83 is: 17,274.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,128.43 : 31,917.08 = 12,517.83 : x
  2. Step 2: Convert to fraction form
    23,128.43/31,917.08 = 12,517.83/x
  3. Step 3: Cross multiply
    23,128.43x = 31,917.08 × 12,517.83
  4. Step 4: Simplify right side
    23,128.43x = 399,532,518.95
  5. Step 5: Solve for x
    x = 399,532,518.95/23,128.43
  6. Step 6: Final answer
    x = 17,274.52

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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.