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Finding the Fourth Proportional to 26,992.98, 40,489.47 and 8,273.07

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Solution

The fourth proportional to 26,992.98, 40,489.47 and 8,273.07 is: 12,409.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,992.98 : 40,489.47 = 8,273.07 : x
  2. Step 2: Convert to fraction form
    26,992.98/40,489.47 = 8,273.07/x
  3. Step 3: Cross multiply
    26,992.98x = 40,489.47 × 8,273.07
  4. Step 4: Simplify right side
    26,992.98x = 334,972,219.57
  5. Step 5: Solve for x
    x = 334,972,219.57/26,992.98
  6. Step 6: Final answer
    x = 12,409.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.