Finding the Fourth Proportional to 38.99, 53.83 and 27.37
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Solution
The fourth proportional to 38.99, 53.83 and 27.37 is: 37.78
Step by Step Solution
- Step 1: Write the proportion equation
38.99 : 53.83 = 27.37 : x - Step 2: Convert to fraction form
38.99/53.83 = 27.37/x - Step 3: Cross multiply
38.99x = 53.83 × 27.37 - Step 4: Simplify right side
38.99x = 1,473.09 - Step 5: Solve for x
x = 1,473.09/38.99 - Step 6: Final answer
x = 37.78
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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.