Home / 27,949.89-38,571.71-15,204.00

Finding the Fourth Proportional to 27,949.89, 38,571.71 and 15,204.00

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Solution

The fourth proportional to 27,949.89, 38,571.71 and 15,204.00 is: 20,981.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,949.89 : 38,571.71 = 15,204.00 : x
  2. Step 2: Convert to fraction form
    27,949.89/38,571.71 = 15,204.00/x
  3. Step 3: Cross multiply
    27,949.89x = 38,571.71 × 15,204.00
  4. Step 4: Simplify right side
    27,949.89x = 586,444,182.41
  5. Step 5: Solve for x
    x = 586,444,182.41/27,949.89
  6. Step 6: Final answer
    x = 20,981.99

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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.