Home / 23,028.06-31,778.66-12,956.50

Finding the Fourth Proportional to 23,028.06, 31,778.66 and 12,956.50

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Solution

The fourth proportional to 23,028.06, 31,778.66 and 12,956.50 is: 17,879.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,028.06 : 31,778.66 = 12,956.50 : x
  2. Step 2: Convert to fraction form
    23,028.06/31,778.66 = 12,956.50/x
  3. Step 3: Cross multiply
    23,028.06x = 31,778.66 × 12,956.50
  4. Step 4: Simplify right side
    23,028.06x = 411,740,208.29
  5. Step 5: Solve for x
    x = 411,740,208.29/23,028.06
  6. Step 6: Final answer
    x = 17,879.93

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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.