Home / 27,813.84-41,719.42-9,091.50

Finding the Fourth Proportional to 27,813.84, 41,719.42 and 9,091.50

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Solution

The fourth proportional to 27,813.84, 41,719.42 and 9,091.50 is: 13,636.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,813.84 : 41,719.42 = 9,091.50 : x
  2. Step 2: Convert to fraction form
    27,813.84/41,719.42 = 9,091.50/x
  3. Step 3: Cross multiply
    27,813.84x = 41,719.42 × 9,091.50
  4. Step 4: Simplify right side
    27,813.84x = 379,292,106.93
  5. Step 5: Solve for x
    x = 379,292,106.93/27,813.84
  6. Step 6: Final answer
    x = 13,636.81

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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.