Home / 27,400.77-41,076-9,866.34

Finding the Fourth Proportional to 27,400.77, 41,076 and 9,866.34

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Solution

The fourth proportional to 27,400.77, 41,076 and 9,866.34 is: 14,790.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,400.77 : 41,076 = 9,866.34 : x
  2. Step 2: Convert to fraction form
    27,400.77/41,076 = 9,866.34/x
  3. Step 3: Cross multiply
    27,400.77x = 41,076 × 9,866.34
  4. Step 4: Simplify right side
    27,400.77x = 405,269,781.84
  5. Step 5: Solve for x
    x = 405,269,781.84/27,400.77
  6. Step 6: Final answer
    x = 14,790.45

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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.