Home / 27,268.74-37,634.49-20,215.26

Finding the Fourth Proportional to 27,268.74, 37,634.49 and 20,215.26

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Solution

The fourth proportional to 27,268.74, 37,634.49 and 20,215.26 is: 27,899.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,268.74 : 37,634.49 = 20,215.26 : x
  2. Step 2: Convert to fraction form
    27,268.74/37,634.49 = 20,215.26/x
  3. Step 3: Cross multiply
    27,268.74x = 37,634.49 × 20,215.26
  4. Step 4: Simplify right side
    27,268.74x = 760,791,000.32
  5. Step 5: Solve for x
    x = 760,791,000.32/27,268.74
  6. Step 6: Final answer
    x = 27,899.75

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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.