Finding the Fourth Proportional to 29,296.44, 40,428.99 and 15,867.66
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Solution
The fourth proportional to 29,296.44, 40,428.99 and 15,867.66 is: 21,897.32
Step by Step Solution
- Step 1: Write the proportion equation
29,296.44 : 40,428.99 = 15,867.66 : x - Step 2: Convert to fraction form
29,296.44/40,428.99 = 15,867.66/x - Step 3: Cross multiply
29,296.44x = 40,428.99 × 15,867.66 - Step 4: Simplify right side
29,296.44x = 641,513,467.46 - Step 5: Solve for x
x = 641,513,467.46/29,296.44 - Step 6: Final answer
x = 21,897.32
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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.