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Finding the Fourth Proportional to 17,805.28, 24,548.95 and 11,420.61

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Solution

The fourth proportional to 17,805.28, 24,548.95 and 11,420.61 is: 15,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,805.28 : 24,548.95 = 11,420.61 : x
  2. Step 2: Convert to fraction form
    17,805.28/24,548.95 = 11,420.61/x
  3. Step 3: Cross multiply
    17,805.28x = 24,548.95 × 11,420.61
  4. Step 4: Simplify right side
    17,805.28x = 280,363,983.86
  5. Step 5: Solve for x
    x = 280,363,983.86/17,805.28
  6. Step 6: Final answer
    x = 15,746.11

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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.