Home / 38,019.24-57,020.22-18,287.64

Finding the Fourth Proportional to 38,019.24, 57,020.22 and 18,287.64

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Solution

The fourth proportional to 38,019.24, 57,020.22 and 18,287.64 is: 27,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,019.24 : 57,020.22 = 18,287.64 : x
  2. Step 2: Convert to fraction form
    38,019.24/57,020.22 = 18,287.64/x
  3. Step 3: Cross multiply
    38,019.24x = 57,020.22 × 18,287.64
  4. Step 4: Simplify right side
    38,019.24x = 1,042,765,256.08
  5. Step 5: Solve for x
    x = 1,042,765,256.08/38,019.24
  6. Step 6: Final answer
    x = 27,427.30

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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.