Home / 27,564.88-38,060.96-21,181.42

Finding the Fourth Proportional to 27,564.88, 38,060.96 and 21,181.42

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Solution

The fourth proportional to 27,564.88, 38,060.96 and 21,181.42 is: 29,246.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,564.88 : 38,060.96 = 21,181.42 : x
  2. Step 2: Convert to fraction form
    27,564.88/38,060.96 = 21,181.42/x
  3. Step 3: Cross multiply
    27,564.88x = 38,060.96 × 21,181.42
  4. Step 4: Simplify right side
    27,564.88x = 806,185,085.66
  5. Step 5: Solve for x
    x = 806,185,085.66/27,564.88
  6. Step 6: Final answer
    x = 29,246.82

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1.5x scale

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.