Home / 18,284.22-27,427.28-5,805.20

Finding the Fourth Proportional to 18,284.22, 27,427.28 and 5,805.20

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Solution

The fourth proportional to 18,284.22, 27,427.28 and 5,805.20 is: 8,708.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.22 : 27,427.28 = 5,805.20 : x
  2. Step 2: Convert to fraction form
    18,284.22/27,427.28 = 5,805.20/x
  3. Step 3: Cross multiply
    18,284.22x = 27,427.28 × 5,805.20
  4. Step 4: Simplify right side
    18,284.22x = 159,220,679.69
  5. Step 5: Solve for x
    x = 159,220,679.69/18,284.22
  6. Step 6: Final answer
    x = 8,708.09

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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.