Home / 28,980.14-43,440.80-16,474.33

Finding the Fourth Proportional to 28,980.14, 43,440.80 and 16,474.33

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Solution

The fourth proportional to 28,980.14, 43,440.80 and 16,474.33 is: 24,694.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,980.14 : 43,440.80 = 16,474.33 : x
  2. Step 2: Convert to fraction form
    28,980.14/43,440.80 = 16,474.33/x
  3. Step 3: Cross multiply
    28,980.14x = 43,440.80 × 16,474.33
  4. Step 4: Simplify right side
    28,980.14x = 715,657,921.75
  5. Step 5: Solve for x
    x = 715,657,921.75/28,980.14
  6. Step 6: Final answer
    x = 24,694.77

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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.