Finding the Fourth Proportional to 17,219.79, 25,828.76 and 5,532.09
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Solution
The fourth proportional to 17,219.79, 25,828.76 and 5,532.09 is: 8,297.84
Step by Step Solution
- Step 1: Write the proportion equation
17,219.79 : 25,828.76 = 5,532.09 : x - Step 2: Convert to fraction form
17,219.79/25,828.76 = 5,532.09/x - Step 3: Cross multiply
17,219.79x = 25,828.76 × 5,532.09 - Step 4: Simplify right side
17,219.79x = 142,886,997.25 - Step 5: Solve for x
x = 142,886,997.25/17,219.79 - Step 6: Final answer
x = 8,297.84
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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.