Home / 38,003.12-57,016.20-18,276.08

Finding the Fourth Proportional to 38,003.12, 57,016.20 and 18,276.08

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Solution

The fourth proportional to 38,003.12, 57,016.20 and 18,276.08 is: 27,419.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,003.12 : 57,016.20 = 18,276.08 : x
  2. Step 2: Convert to fraction form
    38,003.12/57,016.20 = 18,276.08/x
  3. Step 3: Cross multiply
    38,003.12x = 57,016.20 × 18,276.08
  4. Step 4: Simplify right side
    38,003.12x = 1,042,032,632.50
  5. Step 5: Solve for x
    x = 1,042,032,632.50/38,003.12
  6. Step 6: Final answer
    x = 27,419.66

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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.