Home / 28,945.80-43,418.70-10,246.95

Finding the Fourth Proportional to 28,945.80, 43,418.70 and 10,246.95

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Solution

The fourth proportional to 28,945.80, 43,418.70 and 10,246.95 is: 15,370.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,945.80 : 43,418.70 = 10,246.95 : x
  2. Step 2: Convert to fraction form
    28,945.80/43,418.70 = 10,246.95/x
  3. Step 3: Cross multiply
    28,945.80x = 43,418.70 × 10,246.95
  4. Step 4: Simplify right side
    28,945.80x = 444,909,247.97
  5. Step 5: Solve for x
    x = 444,909,247.97/28,945.80
  6. Step 6: Final answer
    x = 15,370.43

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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.