Finding the Fourth Proportional to 17,205.76, 25,812 and 5,518.08
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Solution
The fourth proportional to 17,205.76, 25,812 and 5,518.08 is: 8,278.20
Step by Step Solution
- Step 1: Write the proportion equation
17,205.76 : 25,812 = 5,518.08 : x - Step 2: Convert to fraction form
17,205.76/25,812 = 5,518.08/x - Step 3: Cross multiply
17,205.76x = 25,812 × 5,518.08 - Step 4: Simplify right side
17,205.76x = 142,432,680.96 - Step 5: Solve for x
x = 142,432,680.96/17,205.76 - Step 6: Final answer
x = 8,278.20
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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.