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Finding the Fourth Proportional to 18,677, 28,016.04 and 4,826

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Solution

The fourth proportional to 18,677, 28,016.04 and 4,826 is: 7,239.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677 : 28,016.04 = 4,826 : x
  2. Step 2: Convert to fraction form
    18,677/28,016.04 = 4,826/x
  3. Step 3: Cross multiply
    18,677x = 28,016.04 × 4,826
  4. Step 4: Simplify right side
    18,677x = 135,205,409.04
  5. Step 5: Solve for x
    x = 135,205,409.04/18,677
  6. Step 6: Final answer
    x = 7,239.14

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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.