Home / 27,966.96-38,593.52-15,391.68

Finding the Fourth Proportional to 27,966.96, 38,593.52 and 15,391.68

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Solution

The fourth proportional to 27,966.96, 38,593.52 and 15,391.68 is: 21,240.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,966.96 : 38,593.52 = 15,391.68 : x
  2. Step 2: Convert to fraction form
    27,966.96/38,593.52 = 15,391.68/x
  3. Step 3: Cross multiply
    27,966.96x = 38,593.52 × 15,391.68
  4. Step 4: Simplify right side
    27,966.96x = 594,019,109.91
  5. Step 5: Solve for x
    x = 594,019,109.91/27,966.96
  6. Step 6: Final answer
    x = 21,240.03

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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.