Finding the Fourth Proportional to 16,638.75, 24,958.94 and 4,952.07
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Solution
The fourth proportional to 16,638.75, 24,958.94 and 4,952.07 is: 7,428.35
Step by Step Solution
- Step 1: Write the proportion equation
16,638.75 : 24,958.94 = 4,952.07 : x - Step 2: Convert to fraction form
16,638.75/24,958.94 = 4,952.07/x - Step 3: Cross multiply
16,638.75x = 24,958.94 × 4,952.07 - Step 4: Simplify right side
16,638.75x = 123,598,393.25 - Step 5: Solve for x
x = 123,598,393.25/16,638.75 - Step 6: Final answer
x = 7,428.35
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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.