Home / 18,794.26-25,877.05-15,955.75

Finding the Fourth Proportional to 18,794.26, 25,877.05 and 15,955.75

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Solution

The fourth proportional to 18,794.26, 25,877.05 and 15,955.75 is: 21,968.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794.26 : 25,877.05 = 15,955.75 : x
  2. Step 2: Convert to fraction form
    18,794.26/25,877.05 = 15,955.75/x
  3. Step 3: Cross multiply
    18,794.26x = 25,877.05 × 15,955.75
  4. Step 4: Simplify right side
    18,794.26x = 412,887,740.54
  5. Step 5: Solve for x
    x = 412,887,740.54/18,794.26
  6. Step 6: Final answer
    x = 21,968.82

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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.