Home / 27,735.14-38,265-15,794.12

Finding the Fourth Proportional to 27,735.14, 38,265 and 15,794.12

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Solution

The fourth proportional to 27,735.14, 38,265 and 15,794.12 is: 21,790.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,735.14 : 38,265 = 15,794.12 : x
  2. Step 2: Convert to fraction form
    27,735.14/38,265 = 15,794.12/x
  3. Step 3: Cross multiply
    27,735.14x = 38,265 × 15,794.12
  4. Step 4: Simplify right side
    27,735.14x = 604,362,001.80
  5. Step 5: Solve for x
    x = 604,362,001.80/27,735.14
  6. Step 6: Final answer
    x = 21,790.48

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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.