Home / 27,975.33-38,606.45-15,228.88

Finding the Fourth Proportional to 27,975.33, 38,606.45 and 15,228.88

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Solution

The fourth proportional to 27,975.33, 38,606.45 and 15,228.88 is: 21,016.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,975.33 : 38,606.45 = 15,228.88 : x
  2. Step 2: Convert to fraction form
    27,975.33/38,606.45 = 15,228.88/x
  3. Step 3: Cross multiply
    27,975.33x = 38,606.45 × 15,228.88
  4. Step 4: Simplify right side
    27,975.33x = 587,932,994.28
  5. Step 5: Solve for x
    x = 587,932,994.28/27,975.33
  6. Step 6: Final answer
    x = 21,016.12

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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.