Finding the Fourth Proportional to 19,474.88, 29,212.56 and 5,624
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Solution
The fourth proportional to 19,474.88, 29,212.56 and 5,624 is: 8,436.07
Step by Step Solution
- Step 1: Write the proportion equation
19,474.88 : 29,212.56 = 5,624 : x - Step 2: Convert to fraction form
19,474.88/29,212.56 = 5,624/x - Step 3: Cross multiply
19,474.88x = 29,212.56 × 5,624 - Step 4: Simplify right side
19,474.88x = 164,291,437.44 - Step 5: Solve for x
x = 164,291,437.44/19,474.88 - Step 6: Final answer
x = 8,436.07
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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.