Home / 53,238.28-79,843.78-15,789.60

Finding the Fourth Proportional to 53,238.28, 79,843.78 and 15,789.60

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Solution

The fourth proportional to 53,238.28, 79,843.78 and 15,789.60 is: 23,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,238.28 : 79,843.78 = 15,789.60 : x
  2. Step 2: Convert to fraction form
    53,238.28/79,843.78 = 15,789.60/x
  3. Step 3: Cross multiply
    53,238.28x = 79,843.78 × 15,789.60
  4. Step 4: Simplify right side
    53,238.28x = 1,260,701,348.69
  5. Step 5: Solve for x
    x = 1,260,701,348.69/53,238.28
  6. Step 6: Final answer
    x = 23,680.35

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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.