Home / 38,185.76-57,260.12-13,227.24

Finding the Fourth Proportional to 38,185.76, 57,260.12 and 13,227.24

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Solution

The fourth proportional to 38,185.76, 57,260.12 and 13,227.24 is: 19,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,185.76 : 57,260.12 = 13,227.24 : x
  2. Step 2: Convert to fraction form
    38,185.76/57,260.12 = 13,227.24/x
  3. Step 3: Cross multiply
    38,185.76x = 57,260.12 × 13,227.24
  4. Step 4: Simplify right side
    38,185.76x = 757,393,349.67
  5. Step 5: Solve for x
    x = 757,393,349.67/38,185.76
  6. Step 6: Final answer
    x = 19,834.44

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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.