Finding the Fourth Proportional to 84,856.14, 127,288.26 and 27,933.66
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Solution
The fourth proportional to 84,856.14, 127,288.26 and 27,933.66 is: 41,901.82
Step by Step Solution
- Step 1: Write the proportion equation
84,856.14 : 127,288.26 = 27,933.66 : x - Step 2: Convert to fraction form
84,856.14/127,288.26 = 27,933.66/x - Step 3: Cross multiply
84,856.14x = 127,288.26 × 27,933.66 - Step 4: Simplify right side
84,856.14x = 3,555,626,976.83 - Step 5: Solve for x
x = 3,555,626,976.83/84,856.14 - Step 6: Final answer
x = 41,901.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.