Finding the Fourth Proportional to 19,957.58, 27,542.63 and 11,006.99
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Solution
The fourth proportional to 19,957.58, 27,542.63 and 11,006.99 is: 15,190.29
Step by Step Solution
- Step 1: Write the proportion equation
19,957.58 : 27,542.63 = 11,006.99 : x - Step 2: Convert to fraction form
19,957.58/27,542.63 = 11,006.99/x - Step 3: Cross multiply
19,957.58x = 27,542.63 × 11,006.99 - Step 4: Simplify right side
19,957.58x = 303,161,452.98 - Step 5: Solve for x
x = 303,161,452.98/19,957.58 - Step 6: Final answer
x = 15,190.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.