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Finding the Fourth Proportional to 27,154.80, 40,732.20 and 16,772.40

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Solution

The fourth proportional to 27,154.80, 40,732.20 and 16,772.40 is: 25,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,154.80 : 40,732.20 = 16,772.40 : x
  2. Step 2: Convert to fraction form
    27,154.80/40,732.20 = 16,772.40/x
  3. Step 3: Cross multiply
    27,154.80x = 40,732.20 × 16,772.40
  4. Step 4: Simplify right side
    27,154.80x = 683,176,751.28
  5. Step 5: Solve for x
    x = 683,176,751.28/27,154.80
  6. Step 6: Final answer
    x = 25,158.60

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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.