Home / 27,822.12-41,719.56-13,765.92

Finding the Fourth Proportional to 27,822.12, 41,719.56 and 13,765.92

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Solution

The fourth proportional to 27,822.12, 41,719.56 and 13,765.92 is: 20,642.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,822.12 : 41,719.56 = 13,765.92 : x
  2. Step 2: Convert to fraction form
    27,822.12/41,719.56 = 13,765.92/x
  3. Step 3: Cross multiply
    27,822.12x = 41,719.56 × 13,765.92
  4. Step 4: Simplify right side
    27,822.12x = 574,308,125.40
  5. Step 5: Solve for x
    x = 574,308,125.40/27,822.12
  6. Step 6: Final answer
    x = 20,642.14

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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.