Finding the Fourth Proportional to 38.68, 53.35 and 23.92
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Solution
The fourth proportional to 38.68, 53.35 and 23.92 is: 32.99
Step by Step Solution
- Step 1: Write the proportion equation
38.68 : 53.35 = 23.92 : x - Step 2: Convert to fraction form
38.68/53.35 = 23.92/x - Step 3: Cross multiply
38.68x = 53.35 × 23.92 - Step 4: Simplify right side
38.68x = 1,275.87 - Step 5: Solve for x
x = 1,275.87/38.68 - Step 6: Final answer
x = 32.99
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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.