Home / 20,177.60-30,208.80-17,873.60

Finding the Fourth Proportional to 20,177.60, 30,208.80 and 17,873.60

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Solution

The fourth proportional to 20,177.60, 30,208.80 and 17,873.60 is: 26,759.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177.60 : 30,208.80 = 17,873.60 : x
  2. Step 2: Convert to fraction form
    20,177.60/30,208.80 = 17,873.60/x
  3. Step 3: Cross multiply
    20,177.60x = 30,208.80 × 17,873.60
  4. Step 4: Simplify right side
    20,177.60x = 539,940,007.68
  5. Step 5: Solve for x
    x = 539,940,007.68/20,177.60
  6. Step 6: Final answer
    x = 26,759.38

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1.5x scale

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.