Home / 18,287.22-27,428.03-5,805.62

Finding the Fourth Proportional to 18,287.22, 27,428.03 and 5,805.62

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Solution

The fourth proportional to 18,287.22, 27,428.03 and 5,805.62 is: 8,707.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287.22 : 27,428.03 = 5,805.62 : x
  2. Step 2: Convert to fraction form
    18,287.22/27,428.03 = 5,805.62/x
  3. Step 3: Cross multiply
    18,287.22x = 27,428.03 × 5,805.62
  4. Step 4: Simplify right side
    18,287.22x = 159,236,553.36
  5. Step 5: Solve for x
    x = 159,236,553.36/18,287.22
  6. Step 6: Final answer
    x = 8,707.53

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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.