Home / 23,068.92-31,835.11-12,458.55

Finding the Fourth Proportional to 23,068.92, 31,835.11 and 12,458.55

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Solution

The fourth proportional to 23,068.92, 31,835.11 and 12,458.55 is: 17,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,068.92 : 31,835.11 = 12,458.55 : x
  2. Step 2: Convert to fraction form
    23,068.92/31,835.11 = 12,458.55/x
  3. Step 3: Cross multiply
    23,068.92x = 31,835.11 × 12,458.55
  4. Step 4: Simplify right side
    23,068.92x = 396,619,309.69
  5. Step 5: Solve for x
    x = 396,619,309.69/23,068.92
  6. Step 6: Final answer
    x = 17,192.80

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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.