Home / 27,771.50-38,324.67-15,196.25

Finding the Fourth Proportional to 27,771.50, 38,324.67 and 15,196.25

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Solution

The fourth proportional to 27,771.50, 38,324.67 and 15,196.25 is: 20,970.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,771.50 : 38,324.67 = 15,196.25 : x
  2. Step 2: Convert to fraction form
    27,771.50/38,324.67 = 15,196.25/x
  3. Step 3: Cross multiply
    27,771.50x = 38,324.67 × 15,196.25
  4. Step 4: Simplify right side
    27,771.50x = 582,391,266.49
  5. Step 5: Solve for x
    x = 582,391,266.49/27,771.50
  6. Step 6: Final answer
    x = 20,970.83

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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.