Home / 51,728.25-77,592.39-14,288.70

Finding the Fourth Proportional to 51,728.25, 77,592.39 and 14,288.70

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Solution

The fourth proportional to 51,728.25, 77,592.39 and 14,288.70 is: 21,433.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,728.25 : 77,592.39 = 14,288.70 : x
  2. Step 2: Convert to fraction form
    51,728.25/77,592.39 = 14,288.70/x
  3. Step 3: Cross multiply
    51,728.25x = 77,592.39 × 14,288.70
  4. Step 4: Simplify right side
    51,728.25x = 1,108,694,382.99
  5. Step 5: Solve for x
    x = 1,108,694,382.99/51,728.25
  6. Step 6: Final answer
    x = 21,433.05

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Similar ratio
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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.