Home / 20,209.08-30,164.79-17,844.60

Finding the Fourth Proportional to 20,209.08, 30,164.79 and 17,844.60

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Solution

The fourth proportional to 20,209.08, 30,164.79 and 17,844.60 is: 26,635.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,209.08 : 30,164.79 = 17,844.60 : x
  2. Step 2: Convert to fraction form
    20,209.08/30,164.79 = 17,844.60/x
  3. Step 3: Cross multiply
    20,209.08x = 30,164.79 × 17,844.60
  4. Step 4: Simplify right side
    20,209.08x = 538,278,611.63
  5. Step 5: Solve for x
    x = 538,278,611.63/20,209.08
  6. Step 6: Final answer
    x = 26,635.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.