Finding the Fourth Proportional to 86,018.29, 129,027.87 and 26,849.00
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Solution
The fourth proportional to 86,018.29, 129,027.87 and 26,849.00 is: 40,273.64
Step by Step Solution
- Step 1: Write the proportion equation
86,018.29 : 129,027.87 = 26,849.00 : x - Step 2: Convert to fraction form
86,018.29/129,027.87 = 26,849.00/x - Step 3: Cross multiply
86,018.29x = 129,027.87 × 26,849.00 - Step 4: Simplify right side
86,018.29x = 3,464,269,604.20 - Step 5: Solve for x
x = 3,464,269,604.20/86,018.29 - Step 6: Final answer
x = 40,273.64
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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.