Home / 18,729.84-25,794.56-18,321.60

Finding the Fourth Proportional to 18,729.84, 25,794.56 and 18,321.60

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Solution

The fourth proportional to 18,729.84, 25,794.56 and 18,321.60 is: 25,232.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729.84 : 25,794.56 = 18,321.60 : x
  2. Step 2: Convert to fraction form
    18,729.84/25,794.56 = 18,321.60/x
  3. Step 3: Cross multiply
    18,729.84x = 25,794.56 × 18,321.60
  4. Step 4: Simplify right side
    18,729.84x = 472,597,610.50
  5. Step 5: Solve for x
    x = 472,597,610.50/18,729.84
  6. Step 6: Final answer
    x = 25,232.34

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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.