Home / 28,863.06-43,287.30-14,815.23

Finding the Fourth Proportional to 28,863.06, 43,287.30 and 14,815.23

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Solution

The fourth proportional to 28,863.06, 43,287.30 and 14,815.23 is: 22,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,863.06 : 43,287.30 = 14,815.23 : x
  2. Step 2: Convert to fraction form
    28,863.06/43,287.30 = 14,815.23/x
  3. Step 3: Cross multiply
    28,863.06x = 43,287.30 × 14,815.23
  4. Step 4: Simplify right side
    28,863.06x = 641,311,305.58
  5. Step 5: Solve for x
    x = 641,311,305.58/28,863.06
  6. Step 6: Final answer
    x = 22,219.10

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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.