Finding the Fourth Proportional to 67,828.58, 101,773.11 and 26,278.82
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Solution
The fourth proportional to 67,828.58, 101,773.11 and 26,278.82 is: 39,429.95
Step by Step Solution
- Step 1: Write the proportion equation
67,828.58 : 101,773.11 = 26,278.82 : x - Step 2: Convert to fraction form
67,828.58/101,773.11 = 26,278.82/x - Step 3: Cross multiply
67,828.58x = 101,773.11 × 26,278.82 - Step 4: Simplify right side
67,828.58x = 2,674,477,238.53 - Step 5: Solve for x
x = 2,674,477,238.53/67,828.58 - Step 6: Final answer
x = 39,429.95
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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.