Home / 27,047.75-40,605.03-12,829.82

Finding the Fourth Proportional to 27,047.75, 40,605.03 and 12,829.82

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Solution

The fourth proportional to 27,047.75, 40,605.03 and 12,829.82 is: 19,260.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,047.75 : 40,605.03 = 12,829.82 : x
  2. Step 2: Convert to fraction form
    27,047.75/40,605.03 = 12,829.82/x
  3. Step 3: Cross multiply
    27,047.75x = 40,605.03 × 12,829.82
  4. Step 4: Simplify right side
    27,047.75x = 520,955,022.97
  5. Step 5: Solve for x
    x = 520,955,022.97/27,047.75
  6. Step 6: Final answer
    x = 19,260.57

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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.