Home / 25,935.44-35,789.96-15,880.64

Finding the Fourth Proportional to 25,935.44, 35,789.96 and 15,880.64

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Solution

The fourth proportional to 25,935.44, 35,789.96 and 15,880.64 is: 21,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,935.44 : 35,789.96 = 15,880.64 : x
  2. Step 2: Convert to fraction form
    25,935.44/35,789.96 = 15,880.64/x
  3. Step 3: Cross multiply
    25,935.44x = 35,789.96 × 15,880.64
  4. Step 4: Simplify right side
    25,935.44x = 568,367,470.37
  5. Step 5: Solve for x
    x = 568,367,470.37/25,935.44
  6. Step 6: Final answer
    x = 21,914.70

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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.