Finding the Fourth Proportional to 41,865.75, 57,789.90 and 27,723.15
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Solution
The fourth proportional to 41,865.75, 57,789.90 and 27,723.15 is: 38,267.99
Step by Step Solution
- Step 1: Write the proportion equation
41,865.75 : 57,789.90 = 27,723.15 : x - Step 2: Convert to fraction form
41,865.75/57,789.90 = 27,723.15/x - Step 3: Cross multiply
41,865.75x = 57,789.90 × 27,723.15 - Step 4: Simplify right side
41,865.75x = 1,602,118,066.19 - Step 5: Solve for x
x = 1,602,118,066.19/41,865.75 - Step 6: Final answer
x = 38,267.99
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1.5x scale
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.