Finding the Fourth Proportional to 17,596.53, 26,343.72 and 13,689.09
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Solution
The fourth proportional to 17,596.53, 26,343.72 and 13,689.09 is: 20,493.90
Step by Step Solution
- Step 1: Write the proportion equation
17,596.53 : 26,343.72 = 13,689.09 : x - Step 2: Convert to fraction form
17,596.53/26,343.72 = 13,689.09/x - Step 3: Cross multiply
17,596.53x = 26,343.72 × 13,689.09 - Step 4: Simplify right side
17,596.53x = 360,621,554.01 - Step 5: Solve for x
x = 360,621,554.01/17,596.53 - Step 6: Final answer
x = 20,493.90
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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.