Finding the Fourth Proportional to 26,115.05, 36,038.84 and 14,178.44
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Solution
The fourth proportional to 26,115.05, 36,038.84 and 14,178.44 is: 19,566.28
Step by Step Solution
- Step 1: Write the proportion equation
26,115.05 : 36,038.84 = 14,178.44 : x - Step 2: Convert to fraction form
26,115.05/36,038.84 = 14,178.44/x - Step 3: Cross multiply
26,115.05x = 36,038.84 × 14,178.44 - Step 4: Simplify right side
26,115.05x = 510,974,279.52 - Step 5: Solve for x
x = 510,974,279.52/26,115.05 - Step 6: Final answer
x = 19,566.28
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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.