Home / 20,322.54-30,448.89-18,268.20

Finding the Fourth Proportional to 20,322.54, 30,448.89 and 18,268.20

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Solution

The fourth proportional to 20,322.54, 30,448.89 and 18,268.20 is: 27,370.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,322.54 : 30,448.89 = 18,268.20 : x
  2. Step 2: Convert to fraction form
    20,322.54/30,448.89 = 18,268.20/x
  3. Step 3: Cross multiply
    20,322.54x = 30,448.89 × 18,268.20
  4. Step 4: Simplify right side
    20,322.54x = 556,246,412.30
  5. Step 5: Solve for x
    x = 556,246,412.30/20,322.54
  6. Step 6: Final answer
    x = 27,370.91

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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.