Home / 28,846.20-43,301.70-15,691.80

Finding the Fourth Proportional to 28,846.20, 43,301.70 and 15,691.80

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Solution

The fourth proportional to 28,846.20, 43,301.70 and 15,691.80 is: 23,555.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,846.20 : 43,301.70 = 15,691.80 : x
  2. Step 2: Convert to fraction form
    28,846.20/43,301.70 = 15,691.80/x
  3. Step 3: Cross multiply
    28,846.20x = 43,301.70 × 15,691.80
  4. Step 4: Simplify right side
    28,846.20x = 679,481,616.06
  5. Step 5: Solve for x
    x = 679,481,616.06/28,846.20
  6. Step 6: Final answer
    x = 23,555.33

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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.