Finding the Fourth Proportional to 21,907.99, 32,862.26 and 6,325.75
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Solution
The fourth proportional to 21,907.99, 32,862.26 and 6,325.75 is: 9,488.70
Step by Step Solution
- Step 1: Write the proportion equation
21,907.99 : 32,862.26 = 6,325.75 : x - Step 2: Convert to fraction form
21,907.99/32,862.26 = 6,325.75/x - Step 3: Cross multiply
21,907.99x = 32,862.26 × 6,325.75 - Step 4: Simplify right side
21,907.99x = 207,878,441.20 - Step 5: Solve for x
x = 207,878,441.20/21,907.99 - Step 6: Final answer
x = 9,488.70
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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.