Finding the Fourth Proportional to 19,332.31, 26,678.01 and 11,374.99
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Solution
The fourth proportional to 19,332.31, 26,678.01 and 11,374.99 is: 15,697.15
Step by Step Solution
- Step 1: Write the proportion equation
19,332.31 : 26,678.01 = 11,374.99 : x - Step 2: Convert to fraction form
19,332.31/26,678.01 = 11,374.99/x - Step 3: Cross multiply
19,332.31x = 26,678.01 × 11,374.99 - Step 4: Simplify right side
19,332.31x = 303,462,096.97 - Step 5: Solve for x
x = 303,462,096.97/19,332.31 - Step 6: Final answer
x = 15,697.15
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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.