Finding the Fourth Proportional to 18,180, 27,252.99 and 16,556.76
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Solution
The fourth proportional to 18,180, 27,252.99 and 16,556.76 is: 24,819.65
Step by Step Solution
- Step 1: Write the proportion equation
18,180 : 27,252.99 = 16,556.76 : x - Step 2: Convert to fraction form
18,180/27,252.99 = 16,556.76/x - Step 3: Cross multiply
18,180x = 27,252.99 × 16,556.76 - Step 4: Simplify right side
18,180x = 451,221,214.71 - Step 5: Solve for x
x = 451,221,214.71/18,180 - Step 6: Final answer
x = 24,819.65
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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.