Finding the Fourth Proportional to 27,497.70, 37,964.01 and 18,898.68
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Solution
The fourth proportional to 27,497.70, 37,964.01 and 18,898.68 is: 26,091.99
Step by Step Solution
- Step 1: Write the proportion equation
27,497.70 : 37,964.01 = 18,898.68 : x - Step 2: Convert to fraction form
27,497.70/37,964.01 = 18,898.68/x - Step 3: Cross multiply
27,497.70x = 37,964.01 × 18,898.68 - Step 4: Simplify right side
27,497.70x = 717,469,676.51 - Step 5: Solve for x
x = 717,469,676.51/27,497.70 - Step 6: Final answer
x = 26,091.99
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1.5x scale
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.