Home / 19,486.80-29,265.40-17,067.60

Finding the Fourth Proportional to 19,486.80, 29,265.40 and 17,067.60

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Solution

The fourth proportional to 19,486.80, 29,265.40 and 17,067.60 is: 25,632.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.80 : 29,265.40 = 17,067.60 : x
  2. Step 2: Convert to fraction form
    19,486.80/29,265.40 = 17,067.60/x
  3. Step 3: Cross multiply
    19,486.80x = 29,265.40 × 17,067.60
  4. Step 4: Simplify right side
    19,486.80x = 499,490,141.04
  5. Step 5: Solve for x
    x = 499,490,141.04/19,486.80
  6. Step 6: Final answer
    x = 25,632.23

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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.