Finding the Fourth Proportional to 17.83, 24.54 and 15.62
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Solution
The fourth proportional to 17.83, 24.54 and 15.62 is: 21.50
Step by Step Solution
- Step 1: Write the proportion equation
17.83 : 24.54 = 15.62 : x - Step 2: Convert to fraction form
17.83/24.54 = 15.62/x - Step 3: Cross multiply
17.83x = 24.54 × 15.62 - Step 4: Simplify right side
17.83x = 383.31 - Step 5: Solve for x
x = 383.31/17.83 - Step 6: Final answer
x = 21.50
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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.