Finding the Fourth Proportional to 27,157.95, 40,707.90 and 11,358.99
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Solution
The fourth proportional to 27,157.95, 40,707.90 and 11,358.99 is: 17,026.35
Step by Step Solution
- Step 1: Write the proportion equation
27,157.95 : 40,707.90 = 11,358.99 : x - Step 2: Convert to fraction form
27,157.95/40,707.90 = 11,358.99/x - Step 3: Cross multiply
27,157.95x = 40,707.90 × 11,358.99 - Step 4: Simplify right side
27,157.95x = 462,400,629.02 - Step 5: Solve for x
x = 462,400,629.02/27,157.95 - Step 6: Final answer
x = 17,026.35
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1.5x scale
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.