Home / 18,628.84-27,943.26-5,481.33

Finding the Fourth Proportional to 18,628.84, 27,943.26 and 5,481.33

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Solution

The fourth proportional to 18,628.84, 27,943.26 and 5,481.33 is: 8,222.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.84 : 27,943.26 = 5,481.33 : x
  2. Step 2: Convert to fraction form
    18,628.84/27,943.26 = 5,481.33/x
  3. Step 3: Cross multiply
    18,628.84x = 27,943.26 × 5,481.33
  4. Step 4: Simplify right side
    18,628.84x = 153,166,229.34
  5. Step 5: Solve for x
    x = 153,166,229.34/18,628.84
  6. Step 6: Final answer
    x = 8,222.00

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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.