Finding the Fourth Proportional to 17,808.47, 26,705.40 and 7,941
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Solution
The fourth proportional to 17,808.47, 26,705.40 and 7,941 is: 11,908.24
Step by Step Solution
- Step 1: Write the proportion equation
17,808.47 : 26,705.40 = 7,941 : x - Step 2: Convert to fraction form
17,808.47/26,705.40 = 7,941/x - Step 3: Cross multiply
17,808.47x = 26,705.40 × 7,941 - Step 4: Simplify right side
17,808.47x = 212,067,581.40 - Step 5: Solve for x
x = 212,067,581.40/17,808.47 - Step 6: Final answer
x = 11,908.24
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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.