Finding the Fourth Proportional to 84,356.76, 126,535.16 and 22,026.72
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Solution
The fourth proportional to 84,356.76, 126,535.16 and 22,026.72 is: 33,040.09
Step by Step Solution
- Step 1: Write the proportion equation
84,356.76 : 126,535.16 = 22,026.72 : x - Step 2: Convert to fraction form
84,356.76/126,535.16 = 22,026.72/x - Step 3: Cross multiply
84,356.76x = 126,535.16 × 22,026.72 - Step 4: Simplify right side
84,356.76x = 2,787,154,539.48 - Step 5: Solve for x
x = 2,787,154,539.48/84,356.76 - Step 6: Final answer
x = 33,040.09
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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.