Home / 20,246.80-27,933.96-11,292.64

Finding the Fourth Proportional to 20,246.80, 27,933.96 and 11,292.64

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Solution

The fourth proportional to 20,246.80, 27,933.96 and 11,292.64 is: 15,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.80 : 27,933.96 = 11,292.64 : x
  2. Step 2: Convert to fraction form
    20,246.80/27,933.96 = 11,292.64/x
  3. Step 3: Cross multiply
    20,246.80x = 27,933.96 × 11,292.64
  4. Step 4: Simplify right side
    20,246.80x = 315,448,154.05
  5. Step 5: Solve for x
    x = 315,448,154.05/20,246.80
  6. Step 6: Final answer
    x = 15,580.15

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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.