Finding the Fourth Proportional to 19,073, 28,611.48 and 5,222
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Solution
The fourth proportional to 19,073, 28,611.48 and 5,222 is: 7,833.54
Step by Step Solution
- Step 1: Write the proportion equation
19,073 : 28,611.48 = 5,222 : x - Step 2: Convert to fraction form
19,073/28,611.48 = 5,222/x - Step 3: Cross multiply
19,073x = 28,611.48 × 5,222 - Step 4: Simplify right side
19,073x = 149,409,148.56 - Step 5: Solve for x
x = 149,409,148.56/19,073 - Step 6: Final answer
x = 7,833.54
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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.