Finding the Fourth Proportional to 23,288.16, 32,138.54 and 13,217.02
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Solution
The fourth proportional to 23,288.16, 32,138.54 and 13,217.02 is: 18,239.99
Step by Step Solution
- Step 1: Write the proportion equation
23,288.16 : 32,138.54 = 13,217.02 : x - Step 2: Convert to fraction form
23,288.16/32,138.54 = 13,217.02/x - Step 3: Cross multiply
23,288.16x = 32,138.54 × 13,217.02 - Step 4: Simplify right side
23,288.16x = 424,775,692.91 - Step 5: Solve for x
x = 424,775,692.91/23,288.16 - Step 6: Final answer
x = 18,239.99
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1.5x scale
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.