Home / 20,035.49-27,646.72-11,081.75

Finding the Fourth Proportional to 20,035.49, 27,646.72 and 11,081.75

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Solution

The fourth proportional to 20,035.49, 27,646.72 and 11,081.75 is: 15,291.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.49 : 27,646.72 = 11,081.75 : x
  2. Step 2: Convert to fraction form
    20,035.49/27,646.72 = 11,081.75/x
  3. Step 3: Cross multiply
    20,035.49x = 27,646.72 × 11,081.75
  4. Step 4: Simplify right side
    20,035.49x = 306,373,873.42
  5. Step 5: Solve for x
    x = 306,373,873.42/20,035.49
  6. Step 6: Final answer
    x = 15,291.56

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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.