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Finding the Fourth Proportional to 18,430.56, 27,655.74 and 8,041.68

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Solution

The fourth proportional to 18,430.56, 27,655.74 and 8,041.68 is: 12,066.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430.56 : 27,655.74 = 8,041.68 : x
  2. Step 2: Convert to fraction form
    18,430.56/27,655.74 = 8,041.68/x
  3. Step 3: Cross multiply
    18,430.56x = 27,655.74 × 8,041.68
  4. Step 4: Simplify right side
    18,430.56x = 222,398,611.24
  5. Step 5: Solve for x
    x = 222,398,611.24/18,430.56
  6. Step 6: Final answer
    x = 12,066.84

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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.