Home / 27,828.42-41,690.34-13,772.14

Finding the Fourth Proportional to 27,828.42, 41,690.34 and 13,772.14

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Solution

The fourth proportional to 27,828.42, 41,690.34 and 13,772.14 is: 20,632.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,828.42 : 41,690.34 = 13,772.14 : x
  2. Step 2: Convert to fraction form
    27,828.42/41,690.34 = 13,772.14/x
  3. Step 3: Cross multiply
    27,828.42x = 41,690.34 × 13,772.14
  4. Step 4: Simplify right side
    27,828.42x = 574,165,199.13
  5. Step 5: Solve for x
    x = 574,165,199.13/27,828.42
  6. Step 6: Final answer
    x = 20,632.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.