Finding the Fourth Proportional to 27,313.23, 37,692.99 and 15,377.02
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Solution
The fourth proportional to 27,313.23, 37,692.99 and 15,377.02 is: 21,220.70
Step by Step Solution
- Step 1: Write the proportion equation
27,313.23 : 37,692.99 = 15,377.02 : x - Step 2: Convert to fraction form
27,313.23/37,692.99 = 15,377.02/x - Step 3: Cross multiply
27,313.23x = 37,692.99 × 15,377.02 - Step 4: Simplify right side
27,313.23x = 579,605,861.09 - Step 5: Solve for x
x = 579,605,861.09/27,313.23 - Step 6: Final answer
x = 21,220.70
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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.