Home / 27,849.07-38,432.60-15,274.99

Finding the Fourth Proportional to 27,849.07, 38,432.60 and 15,274.99

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Solution

The fourth proportional to 27,849.07, 38,432.60 and 15,274.99 is: 21,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,849.07 : 38,432.60 = 15,274.99 : x
  2. Step 2: Convert to fraction form
    27,849.07/38,432.60 = 15,274.99/x
  3. Step 3: Cross multiply
    27,849.07x = 38,432.60 × 15,274.99
  4. Step 4: Simplify right side
    27,849.07x = 587,057,504.30
  5. Step 5: Solve for x
    x = 587,057,504.30/27,849.07
  6. Step 6: Final answer
    x = 21,079.97

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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.