Home / 28,863.15-43,334.51-19,956.59

Finding the Fourth Proportional to 28,863.15, 43,334.51 and 19,956.59

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Solution

The fourth proportional to 28,863.15, 43,334.51 and 19,956.59 is: 29,962.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,863.15 : 43,334.51 = 19,956.59 : x
  2. Step 2: Convert to fraction form
    28,863.15/43,334.51 = 19,956.59/x
  3. Step 3: Cross multiply
    28,863.15x = 43,334.51 × 19,956.59
  4. Step 4: Simplify right side
    28,863.15x = 864,809,057.47
  5. Step 5: Solve for x
    x = 864,809,057.47/28,863.15
  6. Step 6: Final answer
    x = 29,962.39

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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.