Finding the Fourth Proportional to 28.04, 41.72 and 24.99
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Solution
The fourth proportional to 28.04, 41.72 and 24.99 is: 37.18
Step by Step Solution
- Step 1: Write the proportion equation
28.04 : 41.72 = 24.99 : x - Step 2: Convert to fraction form
28.04/41.72 = 24.99/x - Step 3: Cross multiply
28.04x = 41.72 × 24.99 - Step 4: Simplify right side
28.04x = 1,042.46 - Step 5: Solve for x
x = 1,042.46/28.04 - Step 6: Final answer
x = 37.18
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.