Home / 38,195.62-57,279.74-13,228.96

Finding the Fourth Proportional to 38,195.62, 57,279.74 and 13,228.96

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Solution

The fourth proportional to 38,195.62, 57,279.74 and 13,228.96 is: 19,838.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,195.62 : 57,279.74 = 13,228.96 : x
  2. Step 2: Convert to fraction form
    38,195.62/57,279.74 = 13,228.96/x
  3. Step 3: Cross multiply
    38,195.62x = 57,279.74 × 13,228.96
  4. Step 4: Simplify right side
    38,195.62x = 757,751,389.27
  5. Step 5: Solve for x
    x = 757,751,389.27/38,195.62
  6. Step 6: Final answer
    x = 19,838.70

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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.