Home / 18,769.97-28,069.63-14,029.43

Finding the Fourth Proportional to 18,769.97, 28,069.63 and 14,029.43

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Solution

The fourth proportional to 18,769.97, 28,069.63 and 14,029.43 is: 20,980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.97 : 28,069.63 = 14,029.43 : x
  2. Step 2: Convert to fraction form
    18,769.97/28,069.63 = 14,029.43/x
  3. Step 3: Cross multiply
    18,769.97x = 28,069.63 × 14,029.43
  4. Step 4: Simplify right side
    18,769.97x = 393,800,733.79
  5. Step 5: Solve for x
    x = 393,800,733.79/18,769.97
  6. Step 6: Final answer
    x = 20,980.36

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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.