Finding the Fourth Proportional to 27,252.70, 40,880.40 and 14,130.70
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Solution
The fourth proportional to 27,252.70, 40,880.40 and 14,130.70 is: 21,196.75
Step by Step Solution
- Step 1: Write the proportion equation
27,252.70 : 40,880.40 = 14,130.70 : x - Step 2: Convert to fraction form
27,252.70/40,880.40 = 14,130.70/x - Step 3: Cross multiply
27,252.70x = 40,880.40 × 14,130.70 - Step 4: Simplify right side
27,252.70x = 577,668,668.28 - Step 5: Solve for x
x = 577,668,668.28/27,252.70 - Step 6: Final answer
x = 21,196.75
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1.5x scale
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.