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Finding the Fourth Proportional to 26,657.50, 36,790.60 and 15,479.50

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Solution

The fourth proportional to 26,657.50, 36,790.60 and 15,479.50 is: 21,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,657.50 : 36,790.60 = 15,479.50 : x
  2. Step 2: Convert to fraction form
    26,657.50/36,790.60 = 15,479.50/x
  3. Step 3: Cross multiply
    26,657.50x = 36,790.60 × 15,479.50
  4. Step 4: Simplify right side
    26,657.50x = 569,500,092.70
  5. Step 5: Solve for x
    x = 569,500,092.70/26,657.50
  6. Step 6: Final answer
    x = 21,363.60

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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.