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Finding the Fourth Proportional to 26,781.95, 40,173.50 and 9,013.15

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Solution

The fourth proportional to 26,781.95, 40,173.50 and 9,013.15 is: 13,519.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,781.95 : 40,173.50 = 9,013.15 : x
  2. Step 2: Convert to fraction form
    26,781.95/40,173.50 = 9,013.15/x
  3. Step 3: Cross multiply
    26,781.95x = 40,173.50 × 9,013.15
  4. Step 4: Simplify right side
    26,781.95x = 362,089,781.53
  5. Step 5: Solve for x
    x = 362,089,781.53/26,781.95
  6. Step 6: Final answer
    x = 13,519.92

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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.