Home / 38,228.70-57,344.01-18,503.58

Finding the Fourth Proportional to 38,228.70, 57,344.01 and 18,503.58

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Solution

The fourth proportional to 38,228.70, 57,344.01 and 18,503.58 is: 27,755.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,228.70 : 57,344.01 = 18,503.58 : x
  2. Step 2: Convert to fraction form
    38,228.70/57,344.01 = 18,503.58/x
  3. Step 3: Cross multiply
    38,228.70x = 57,344.01 × 18,503.58
  4. Step 4: Simplify right side
    38,228.70x = 1,061,069,476.56
  5. Step 5: Solve for x
    x = 1,061,069,476.56/38,228.70
  6. Step 6: Final answer
    x = 27,755.83

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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.