Finding the Fourth Proportional to 38,754.96, 53,426.58 and 28,528.02
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Solution
The fourth proportional to 38,754.96, 53,426.58 and 28,528.02 is: 39,327.99
Step by Step Solution
- Step 1: Write the proportion equation
38,754.96 : 53,426.58 = 28,528.02 : x - Step 2: Convert to fraction form
38,754.96/53,426.58 = 28,528.02/x - Step 3: Cross multiply
38,754.96x = 53,426.58 × 28,528.02 - Step 4: Simplify right side
38,754.96x = 1,524,154,542.77 - Step 5: Solve for x
x = 1,524,154,542.77/38,754.96 - Step 6: Final answer
x = 39,327.99
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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.