Home / 28,894.64-43,312.44-11,340.56

Finding the Fourth Proportional to 28,894.64, 43,312.44 and 11,340.56

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Solution

The fourth proportional to 28,894.64, 43,312.44 and 11,340.56 is: 16,999.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,894.64 : 43,312.44 = 11,340.56 : x
  2. Step 2: Convert to fraction form
    28,894.64/43,312.44 = 11,340.56/x
  3. Step 3: Cross multiply
    28,894.64x = 43,312.44 × 11,340.56
  4. Step 4: Simplify right side
    28,894.64x = 491,187,324.57
  5. Step 5: Solve for x
    x = 491,187,324.57/28,894.64
  6. Step 6: Final answer
    x = 16,999.25

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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.