Finding the Fourth Proportional to 26,118, 36,042.84 and 14,940
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Solution
The fourth proportional to 26,118, 36,042.84 and 14,940 is: 20,617.20
Step by Step Solution
- Step 1: Write the proportion equation
26,118 : 36,042.84 = 14,940 : x - Step 2: Convert to fraction form
26,118/36,042.84 = 14,940/x - Step 3: Cross multiply
26,118x = 36,042.84 × 14,940 - Step 4: Simplify right side
26,118x = 538,480,029.60 - Step 5: Solve for x
x = 538,480,029.60/26,118 - Step 6: Final answer
x = 20,617.20
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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.