Home / 19,184.58-28,767.06-8,787.42

Finding the Fourth Proportional to 19,184.58, 28,767.06 and 8,787.42

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Solution

The fourth proportional to 19,184.58, 28,767.06 and 8,787.42 is: 13,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184.58 : 28,767.06 = 8,787.42 : x
  2. Step 2: Convert to fraction form
    19,184.58/28,767.06 = 8,787.42/x
  3. Step 3: Cross multiply
    19,184.58x = 28,767.06 × 8,787.42
  4. Step 4: Simplify right side
    19,184.58x = 252,788,238.39
  5. Step 5: Solve for x
    x = 252,788,238.39/19,184.58
  6. Step 6: Final answer
    x = 13,176.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.