Finding the Fourth Proportional to 28,734, 43,115.58 and 13,155.54
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Solution
The fourth proportional to 28,734, 43,115.58 and 13,155.54 is: 19,739.99
Step by Step Solution
- Step 1: Write the proportion equation
28,734 : 43,115.58 = 13,155.54 : x - Step 2: Convert to fraction form
28,734/43,115.58 = 13,155.54/x - Step 3: Cross multiply
28,734x = 43,115.58 × 13,155.54 - Step 4: Simplify right side
28,734x = 567,208,737.31 - Step 5: Solve for x
x = 567,208,737.31/28,734 - Step 6: Final answer
x = 19,739.99
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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.