Home / 27,828.50-38,403.33-15,252.98

Finding the Fourth Proportional to 27,828.50, 38,403.33 and 15,252.98

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Solution

The fourth proportional to 27,828.50, 38,403.33 and 15,252.98 is: 21,049.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,828.50 : 38,403.33 = 15,252.98 : x
  2. Step 2: Convert to fraction form
    27,828.50/38,403.33 = 15,252.98/x
  3. Step 3: Cross multiply
    27,828.50x = 38,403.33 × 15,252.98
  4. Step 4: Simplify right side
    27,828.50x = 585,765,224.42
  5. Step 5: Solve for x
    x = 585,765,224.42/27,828.50
  6. Step 6: Final answer
    x = 21,049.11

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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.