Finding the Fourth Proportional to 26,190.99, 36,144.36 and 14,255.19
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Solution
The fourth proportional to 26,190.99, 36,144.36 and 14,255.19 is: 19,672.59
Step by Step Solution
- Step 1: Write the proportion equation
26,190.99 : 36,144.36 = 14,255.19 : x - Step 2: Convert to fraction form
26,190.99/36,144.36 = 14,255.19/x - Step 3: Cross multiply
26,190.99x = 36,144.36 × 14,255.19 - Step 4: Simplify right side
26,190.99x = 515,244,719.23 - Step 5: Solve for x
x = 515,244,719.23/26,190.99 - Step 6: Final answer
x = 19,672.59
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Double scale
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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.