Finding the Fourth Proportional to 26,342.55, 39,515.99 and 8,812.53
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Solution
The fourth proportional to 26,342.55, 39,515.99 and 8,812.53 is: 13,219.52
Step by Step Solution
- Step 1: Write the proportion equation
26,342.55 : 39,515.99 = 8,812.53 : x - Step 2: Convert to fraction form
26,342.55/39,515.99 = 8,812.53/x - Step 3: Cross multiply
26,342.55x = 39,515.99 × 8,812.53 - Step 4: Simplify right side
26,342.55x = 348,235,803.29 - Step 5: Solve for x
x = 348,235,803.29/26,342.55 - Step 6: Final answer
x = 13,219.52
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1.5x scale
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.