Home / 19,787.90-27,307.91-10,836.23

Finding the Fourth Proportional to 19,787.90, 27,307.91 and 10,836.23

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Solution

The fourth proportional to 19,787.90, 27,307.91 and 10,836.23 is: 14,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787.90 : 27,307.91 = 10,836.23 : x
  2. Step 2: Convert to fraction form
    19,787.90/27,307.91 = 10,836.23/x
  3. Step 3: Cross multiply
    19,787.90x = 27,307.91 × 10,836.23
  4. Step 4: Simplify right side
    19,787.90x = 295,914,793.58
  5. Step 5: Solve for x
    x = 295,914,793.58/19,787.90
  6. Step 6: Final answer
    x = 14,954.33

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