Finding the Fourth Proportional to 27,910.36, 38,518.44 and 15,977.44
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Solution
The fourth proportional to 27,910.36, 38,518.44 and 15,977.44 is: 22,050.09
Step by Step Solution
- Step 1: Write the proportion equation
27,910.36 : 38,518.44 = 15,977.44 : x - Step 2: Convert to fraction form
27,910.36/38,518.44 = 15,977.44/x - Step 3: Cross multiply
27,910.36x = 38,518.44 × 15,977.44 - Step 4: Simplify right side
27,910.36x = 615,426,063.99 - Step 5: Solve for x
x = 615,426,063.99/27,910.36 - Step 6: Final answer
x = 22,050.09
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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.