Home / 28,046.61-38,704.46-15,471.36

Finding the Fourth Proportional to 28,046.61, 38,704.46 and 15,471.36

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Solution

The fourth proportional to 28,046.61, 38,704.46 and 15,471.36 is: 21,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,046.61 : 38,704.46 = 15,471.36 : x
  2. Step 2: Convert to fraction form
    28,046.61/38,704.46 = 15,471.36/x
  3. Step 3: Cross multiply
    28,046.61x = 38,704.46 × 15,471.36
  4. Step 4: Simplify right side
    28,046.61x = 598,810,556.91
  5. Step 5: Solve for x
    x = 598,810,556.91/28,046.61
  6. Step 6: Final answer
    x = 21,350.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.