Finding the Fourth Proportional to 19,253.52, 28,874.40 and 8,160
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Solution
The fourth proportional to 19,253.52, 28,874.40 and 8,160 is: 12,237.51
Step by Step Solution
- Step 1: Write the proportion equation
19,253.52 : 28,874.40 = 8,160 : x - Step 2: Convert to fraction form
19,253.52/28,874.40 = 8,160/x - Step 3: Cross multiply
19,253.52x = 28,874.40 × 8,160 - Step 4: Simplify right side
19,253.52x = 235,615,104 - Step 5: Solve for x
x = 235,615,104/19,253.52 - Step 6: Final answer
x = 12,237.51
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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.