Home / 19,780.44-27,297-10,827.95

Finding the Fourth Proportional to 19,780.44, 27,297 and 10,827.95

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Solution

The fourth proportional to 19,780.44, 27,297 and 10,827.95 is: 14,942.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,780.44 : 27,297 = 10,827.95 : x
  2. Step 2: Convert to fraction form
    19,780.44/27,297 = 10,827.95/x
  3. Step 3: Cross multiply
    19,780.44x = 27,297 × 10,827.95
  4. Step 4: Simplify right side
    19,780.44x = 295,570,414.67
  5. Step 5: Solve for x
    x = 295,570,414.67/19,780.44
  6. Step 6: Final answer
    x = 14,942.56

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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.