Home / 19,776.48-27,291.12-10,824

Finding the Fourth Proportional to 19,776.48, 27,291.12 and 10,824

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Solution

The fourth proportional to 19,776.48, 27,291.12 and 10,824 is: 14,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,776.48 : 27,291.12 = 10,824 : x
  2. Step 2: Convert to fraction form
    19,776.48/27,291.12 = 10,824/x
  3. Step 3: Cross multiply
    19,776.48x = 27,291.12 × 10,824
  4. Step 4: Simplify right side
    19,776.48x = 295,399,082.88
  5. Step 5: Solve for x
    x = 295,399,082.88/19,776.48
  6. Step 6: Final answer
    x = 14,936.89

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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.