Finding the Fourth Proportional to 18,408.25, 27,611.77 and 5,928.99
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Solution
The fourth proportional to 18,408.25, 27,611.77 and 5,928.99 is: 8,893.29
Step by Step Solution
- Step 1: Write the proportion equation
18,408.25 : 27,611.77 = 5,928.99 : x - Step 2: Convert to fraction form
18,408.25/27,611.77 = 5,928.99/x - Step 3: Cross multiply
18,408.25x = 27,611.77 × 5,928.99 - Step 4: Simplify right side
18,408.25x = 163,709,908.21 - Step 5: Solve for x
x = 163,709,908.21/18,408.25 - Step 6: Final answer
x = 8,893.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.