Finding the Fourth Proportional to 17,760.29, 26,649.74 and 7,238.09
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Solution
The fourth proportional to 17,760.29, 26,649.74 and 7,238.09 is: 10,860.94
Step by Step Solution
- Step 1: Write the proportion equation
17,760.29 : 26,649.74 = 7,238.09 : x - Step 2: Convert to fraction form
17,760.29/26,649.74 = 7,238.09/x - Step 3: Cross multiply
17,760.29x = 26,649.74 × 7,238.09 - Step 4: Simplify right side
17,760.29x = 192,893,301.32 - Step 5: Solve for x
x = 192,893,301.32/17,760.29 - Step 6: Final answer
x = 10,860.94
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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.