Home / 27,804.76-38,370.20-15,229.52

Finding the Fourth Proportional to 27,804.76, 38,370.20 and 15,229.52

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Solution

The fourth proportional to 27,804.76, 38,370.20 and 15,229.52 is: 21,016.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,804.76 : 38,370.20 = 15,229.52 : x
  2. Step 2: Convert to fraction form
    27,804.76/38,370.20 = 15,229.52/x
  3. Step 3: Cross multiply
    27,804.76x = 38,370.20 × 15,229.52
  4. Step 4: Simplify right side
    27,804.76x = 584,359,728.30
  5. Step 5: Solve for x
    x = 584,359,728.30/27,804.76
  6. Step 6: Final answer
    x = 21,016.54

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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.