Home / 20,448.28-30,649.38-10,067.32

Finding the Fourth Proportional to 20,448.28, 30,649.38 and 10,067.32

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Solution

The fourth proportional to 20,448.28, 30,649.38 and 10,067.32 is: 15,089.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,448.28 : 30,649.38 = 10,067.32 : x
  2. Step 2: Convert to fraction form
    20,448.28/30,649.38 = 10,067.32/x
  3. Step 3: Cross multiply
    20,448.28x = 30,649.38 × 10,067.32
  4. Step 4: Simplify right side
    20,448.28x = 308,557,116.26
  5. Step 5: Solve for x
    x = 308,557,116.26/20,448.28
  6. Step 6: Final answer
    x = 15,089.64

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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.