Home / 27,321.89-40,896.83-18,838.76

Finding the Fourth Proportional to 27,321.89, 40,896.83 and 18,838.76

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Solution

The fourth proportional to 27,321.89, 40,896.83 and 18,838.76 is: 28,198.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,321.89 : 40,896.83 = 18,838.76 : x
  2. Step 2: Convert to fraction form
    27,321.89/40,896.83 = 18,838.76/x
  3. Step 3: Cross multiply
    27,321.89x = 40,896.83 × 18,838.76
  4. Step 4: Simplify right side
    27,321.89x = 770,445,407.74
  5. Step 5: Solve for x
    x = 770,445,407.74/27,321.89
  6. Step 6: Final answer
    x = 28,198.84

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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.