Finding the Fourth Proportional to 28,312.83, 42,473.33 and 10,541.99
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Solution
The fourth proportional to 28,312.83, 42,473.33 and 10,541.99 is: 15,814.50
Step by Step Solution
- Step 1: Write the proportion equation
28,312.83 : 42,473.33 = 10,541.99 : x - Step 2: Convert to fraction form
28,312.83/42,473.33 = 10,541.99/x - Step 3: Cross multiply
28,312.83x = 42,473.33 × 10,541.99 - Step 4: Simplify right side
28,312.83x = 447,753,155.05 - Step 5: Solve for x
x = 447,753,155.05/28,312.83 - Step 6: Final answer
x = 15,814.50
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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.