Home / 27,975.03-38,606.48-15,228.68

Finding the Fourth Proportional to 27,975.03, 38,606.48 and 15,228.68

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Solution

The fourth proportional to 27,975.03, 38,606.48 and 15,228.68 is: 21,016.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,975.03 : 38,606.48 = 15,228.68 : x
  2. Step 2: Convert to fraction form
    27,975.03/38,606.48 = 15,228.68/x
  3. Step 3: Cross multiply
    27,975.03x = 38,606.48 × 15,228.68
  4. Step 4: Simplify right side
    27,975.03x = 587,925,517.78
  5. Step 5: Solve for x
    x = 587,925,517.78/27,975.03
  6. Step 6: Final answer
    x = 21,016.08

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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.