Home / 27,228.35-37,568.52-15,891.36

Finding the Fourth Proportional to 27,228.35, 37,568.52 and 15,891.36

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Solution

The fourth proportional to 27,228.35, 37,568.52 and 15,891.36 is: 21,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,228.35 : 37,568.52 = 15,891.36 : x
  2. Step 2: Convert to fraction form
    27,228.35/37,568.52 = 15,891.36/x
  3. Step 3: Cross multiply
    27,228.35x = 37,568.52 × 15,891.36
  4. Step 4: Simplify right side
    27,228.35x = 597,014,796.53
  5. Step 5: Solve for x
    x = 597,014,796.53/27,228.35
  6. Step 6: Final answer
    x = 21,926.22

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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.