Home / 28,713.79-43,076.76-14,490.37

Finding the Fourth Proportional to 28,713.79, 43,076.76 and 14,490.37

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Solution

The fourth proportional to 28,713.79, 43,076.76 and 14,490.37 is: 21,738.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,713.79 : 43,076.76 = 14,490.37 : x
  2. Step 2: Convert to fraction form
    28,713.79/43,076.76 = 14,490.37/x
  3. Step 3: Cross multiply
    28,713.79x = 43,076.76 × 14,490.37
  4. Step 4: Simplify right side
    28,713.79x = 624,198,190.80
  5. Step 5: Solve for x
    x = 624,198,190.80/28,713.79
  6. Step 6: Final answer
    x = 21,738.62

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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.