Home / 20,242.24-27,934.46-11,290.32

Finding the Fourth Proportional to 20,242.24, 27,934.46 and 11,290.32

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Solution

The fourth proportional to 20,242.24, 27,934.46 and 11,290.32 is: 15,580.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.24 : 27,934.46 = 11,290.32 : x
  2. Step 2: Convert to fraction form
    20,242.24/27,934.46 = 11,290.32/x
  3. Step 3: Cross multiply
    20,242.24x = 27,934.46 × 11,290.32
  4. Step 4: Simplify right side
    20,242.24x = 315,388,992.43
  5. Step 5: Solve for x
    x = 315,388,992.43/20,242.24
  6. Step 6: Final answer
    x = 15,580.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.