Home / 27,564.84-41,331.60-18,810.36

Finding the Fourth Proportional to 27,564.84, 41,331.60 and 18,810.36

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Solution

The fourth proportional to 27,564.84, 41,331.60 and 18,810.36 is: 28,204.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,564.84 : 41,331.60 = 18,810.36 : x
  2. Step 2: Convert to fraction form
    27,564.84/41,331.60 = 18,810.36/x
  3. Step 3: Cross multiply
    27,564.84x = 41,331.60 × 18,810.36
  4. Step 4: Simplify right side
    27,564.84x = 777,462,275.38
  5. Step 5: Solve for x
    x = 777,462,275.38/27,564.84
  6. Step 6: Final answer
    x = 28,204.85

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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.