Home / 20,027.77-27,637.08-11,074.75

Finding the Fourth Proportional to 20,027.77, 27,637.08 and 11,074.75

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Solution

The fourth proportional to 20,027.77, 27,637.08 and 11,074.75 is: 15,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.77 : 27,637.08 = 11,074.75 : x
  2. Step 2: Convert to fraction form
    20,027.77/27,637.08 = 11,074.75/x
  3. Step 3: Cross multiply
    20,027.77x = 27,637.08 × 11,074.75
  4. Step 4: Simplify right side
    20,027.77x = 306,073,751.73
  5. Step 5: Solve for x
    x = 306,073,751.73/20,027.77
  6. Step 6: Final answer
    x = 15,282.47

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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.