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Finding the Fourth Proportional to 15,088.80, 20,825.04 and 8,801.17

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Solution

The fourth proportional to 15,088.80, 20,825.04 and 8,801.17 is: 12,147.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,088.80 : 20,825.04 = 8,801.17 : x
  2. Step 2: Convert to fraction form
    15,088.80/20,825.04 = 8,801.17/x
  3. Step 3: Cross multiply
    15,088.80x = 20,825.04 × 8,801.17
  4. Step 4: Simplify right side
    15,088.80x = 183,284,717.30
  5. Step 5: Solve for x
    x = 183,284,717.30/15,088.80
  6. Step 6: Final answer
    x = 12,147.07

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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.