Finding the Fourth Proportional to 37.17, 51.32 and 27.99
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Solution
The fourth proportional to 37.17, 51.32 and 27.99 is: 38.64
Step by Step Solution
- Step 1: Write the proportion equation
37.17 : 51.32 = 27.99 : x - Step 2: Convert to fraction form
37.17/51.32 = 27.99/x - Step 3: Cross multiply
37.17x = 51.32 × 27.99 - Step 4: Simplify right side
37.17x = 1,436.31 - Step 5: Solve for x
x = 1,436.31/37.17 - Step 6: Final answer
x = 38.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.