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Finding the Fourth Proportional to 17,730.80, 26,596.20 and 14,620.40

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Solution

The fourth proportional to 17,730.80, 26,596.20 and 14,620.40 is: 21,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,730.80 : 26,596.20 = 14,620.40 : x
  2. Step 2: Convert to fraction form
    17,730.80/26,596.20 = 14,620.40/x
  3. Step 3: Cross multiply
    17,730.80x = 26,596.20 × 14,620.40
  4. Step 4: Simplify right side
    17,730.80x = 388,847,082.48
  5. Step 5: Solve for x
    x = 388,847,082.48/17,730.80
  6. Step 6: Final answer
    x = 21,930.60

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