Home / 26,927.81-40,391.73-12,119.43

Finding the Fourth Proportional to 26,927.81, 40,391.73 and 12,119.43

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Solution

The fourth proportional to 26,927.81, 40,391.73 and 12,119.43 is: 18,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,927.81 : 40,391.73 = 12,119.43 : x
  2. Step 2: Convert to fraction form
    26,927.81/40,391.73 = 12,119.43/x
  3. Step 3: Cross multiply
    26,927.81x = 40,391.73 × 12,119.43
  4. Step 4: Simplify right side
    26,927.81x = 489,524,744.31
  5. Step 5: Solve for x
    x = 489,524,744.31/26,927.81
  6. Step 6: Final answer
    x = 18,179.16

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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.