Home / 28,922.83-43,390.62-12,297.11

Finding the Fourth Proportional to 28,922.83, 43,390.62 and 12,297.11

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Solution

The fourth proportional to 28,922.83, 43,390.62 and 12,297.11 is: 18,448.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,922.83 : 43,390.62 = 12,297.11 : x
  2. Step 2: Convert to fraction form
    28,922.83/43,390.62 = 12,297.11/x
  3. Step 3: Cross multiply
    28,922.83x = 43,390.62 × 12,297.11
  4. Step 4: Simplify right side
    28,922.83x = 533,579,010.16
  5. Step 5: Solve for x
    x = 533,579,010.16/28,922.83
  6. Step 6: Final answer
    x = 18,448.37

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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.