Home / 38,945.44-58,446.32-15,578.40

Finding the Fourth Proportional to 38,945.44, 58,446.32 and 15,578.40

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Solution

The fourth proportional to 38,945.44, 58,446.32 and 15,578.40 is: 23,378.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,945.44 : 58,446.32 = 15,578.40 : x
  2. Step 2: Convert to fraction form
    38,945.44/58,446.32 = 15,578.40/x
  3. Step 3: Cross multiply
    38,945.44x = 58,446.32 × 15,578.40
  4. Step 4: Simplify right side
    38,945.44x = 910,500,151.49
  5. Step 5: Solve for x
    x = 910,500,151.49/38,945.44
  6. Step 6: Final answer
    x = 23,378.86

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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.