Finding the Fourth Proportional to 26,237.67, 36,198.95 and 18,276.99
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Solution
The fourth proportional to 26,237.67, 36,198.95 and 18,276.99 is: 25,215.95
Step by Step Solution
- Step 1: Write the proportion equation
26,237.67 : 36,198.95 = 18,276.99 : x - Step 2: Convert to fraction form
26,237.67/36,198.95 = 18,276.99/x - Step 3: Cross multiply
26,237.67x = 36,198.95 × 18,276.99 - Step 4: Simplify right side
26,237.67x = 661,607,755.78 - Step 5: Solve for x
x = 661,607,755.78/26,237.67 - Step 6: Final answer
x = 25,215.95
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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.