Finding the Fourth Proportional to 28,241.04, 42,363.36 and 7,464
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Solution
The fourth proportional to 28,241.04, 42,363.36 and 7,464 is: 11,196.48
Step by Step Solution
- Step 1: Write the proportion equation
28,241.04 : 42,363.36 = 7,464 : x - Step 2: Convert to fraction form
28,241.04/42,363.36 = 7,464/x - Step 3: Cross multiply
28,241.04x = 42,363.36 × 7,464 - Step 4: Simplify right side
28,241.04x = 316,200,119.04 - Step 5: Solve for x
x = 316,200,119.04/28,241.04 - Step 6: Final answer
x = 11,196.48
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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.