Finding the Fourth Proportional to 26.60, 36.79 and 25.99
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Solution
The fourth proportional to 26.60, 36.79 and 25.99 is: 35.95
Step by Step Solution
- Step 1: Write the proportion equation
26.60 : 36.79 = 25.99 : x - Step 2: Convert to fraction form
26.60/36.79 = 25.99/x - Step 3: Cross multiply
26.60x = 36.79 × 25.99 - Step 4: Simplify right side
26.60x = 956.02 - Step 5: Solve for x
x = 956.02/26.60 - Step 6: Final answer
x = 35.95
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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.