Home / 38,003.67-57,017.81-18,279.66

Finding the Fourth Proportional to 38,003.67, 57,017.81 and 18,279.66

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Solution

The fourth proportional to 38,003.67, 57,017.81 and 18,279.66 is: 27,425.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,003.67 : 57,017.81 = 18,279.66 : x
  2. Step 2: Convert to fraction form
    38,003.67/57,017.81 = 18,279.66/x
  3. Step 3: Cross multiply
    38,003.67x = 57,017.81 × 18,279.66
  4. Step 4: Simplify right side
    38,003.67x = 1,042,266,089.35
  5. Step 5: Solve for x
    x = 1,042,266,089.35/38,003.67
  6. Step 6: Final answer
    x = 27,425.41

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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.