Home / 28,980.52-43,441.37-16,474.70

Finding the Fourth Proportional to 28,980.52, 43,441.37 and 16,474.70

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Solution

The fourth proportional to 28,980.52, 43,441.37 and 16,474.70 is: 24,695.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,980.52 : 43,441.37 = 16,474.70 : x
  2. Step 2: Convert to fraction form
    28,980.52/43,441.37 = 16,474.70/x
  3. Step 3: Cross multiply
    28,980.52x = 43,441.37 × 16,474.70
  4. Step 4: Simplify right side
    28,980.52x = 715,683,401.66
  5. Step 5: Solve for x
    x = 715,683,401.66/28,980.52
  6. Step 6: Final answer
    x = 24,695.33

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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.