Home / 20,027.68-27,637.09-11,074.59

Finding the Fourth Proportional to 20,027.68, 27,637.09 and 11,074.59

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Solution

The fourth proportional to 20,027.68, 27,637.09 and 11,074.59 is: 15,282.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.68 : 27,637.09 = 11,074.59 : x
  2. Step 2: Convert to fraction form
    20,027.68/27,637.09 = 11,074.59/x
  3. Step 3: Cross multiply
    20,027.68x = 27,637.09 × 11,074.59
  4. Step 4: Simplify right side
    20,027.68x = 306,069,412.86
  5. Step 5: Solve for x
    x = 306,069,412.86/20,027.68
  6. Step 6: Final answer
    x = 15,282.32

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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.