Home / 19,802.78-27,327.49-11,741.87

Finding the Fourth Proportional to 19,802.78, 27,327.49 and 11,741.87

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Solution

The fourth proportional to 19,802.78, 27,327.49 and 11,741.87 is: 16,203.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,802.78 : 27,327.49 = 11,741.87 : x
  2. Step 2: Convert to fraction form
    19,802.78/27,327.49 = 11,741.87/x
  3. Step 3: Cross multiply
    19,802.78x = 27,327.49 × 11,741.87
  4. Step 4: Simplify right side
    19,802.78x = 320,875,669.01
  5. Step 5: Solve for x
    x = 320,875,669.01/19,802.78
  6. Step 6: Final answer
    x = 16,203.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.