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Finding the Fourth Proportional to 20,554.83, 28,348.52 and 12,594.15

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Solution

The fourth proportional to 20,554.83, 28,348.52 and 12,594.15 is: 17,369.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554.83 : 28,348.52 = 12,594.15 : x
  2. Step 2: Convert to fraction form
    20,554.83/28,348.52 = 12,594.15/x
  3. Step 3: Cross multiply
    20,554.83x = 28,348.52 × 12,594.15
  4. Step 4: Simplify right side
    20,554.83x = 357,025,450.19
  5. Step 5: Solve for x
    x = 357,025,450.19/20,554.83
  6. Step 6: Final answer
    x = 17,369.42

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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.