Home / 27,530.82-38,008.64-19,969.88

Finding the Fourth Proportional to 27,530.82, 38,008.64 and 19,969.88

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Solution

The fourth proportional to 27,530.82, 38,008.64 and 19,969.88 is: 27,570.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,530.82 : 38,008.64 = 19,969.88 : x
  2. Step 2: Convert to fraction form
    27,530.82/38,008.64 = 19,969.88/x
  3. Step 3: Cross multiply
    27,530.82x = 38,008.64 × 19,969.88
  4. Step 4: Simplify right side
    27,530.82x = 759,027,839.64
  5. Step 5: Solve for x
    x = 759,027,839.64/27,530.82
  6. Step 6: Final answer
    x = 27,570.11

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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.