Home / 28,966.68-43,404.66-23,121.72

Finding the Fourth Proportional to 28,966.68, 43,404.66 and 23,121.72

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Solution

The fourth proportional to 28,966.68, 43,404.66 and 23,121.72 is: 34,646.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966.68 : 43,404.66 = 23,121.72 : x
  2. Step 2: Convert to fraction form
    28,966.68/43,404.66 = 23,121.72/x
  3. Step 3: Cross multiply
    28,966.68x = 43,404.66 × 23,121.72
  4. Step 4: Simplify right side
    28,966.68x = 1,003,590,395.22
  5. Step 5: Solve for x
    x = 1,003,590,395.22/28,966.68
  6. Step 6: Final answer
    x = 34,646.37

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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.