Finding the Fourth Proportional to 19,157.04, 28,735.52 and 5,306
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Solution
The fourth proportional to 19,157.04, 28,735.52 and 5,306 is: 7,958.99
Step by Step Solution
- Step 1: Write the proportion equation
19,157.04 : 28,735.52 = 5,306 : x - Step 2: Convert to fraction form
19,157.04/28,735.52 = 5,306/x - Step 3: Cross multiply
19,157.04x = 28,735.52 × 5,306 - Step 4: Simplify right side
19,157.04x = 152,470,669.12 - Step 5: Solve for x
x = 152,470,669.12/19,157.04 - Step 6: Final answer
x = 7,958.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.