Home / 28,474.77-42,698.19-16,631.52

Finding the Fourth Proportional to 28,474.77, 42,698.19 and 16,631.52

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Solution

The fourth proportional to 28,474.77, 42,698.19 and 16,631.52 is: 24,939.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,474.77 : 42,698.19 = 16,631.52 : x
  2. Step 2: Convert to fraction form
    28,474.77/42,698.19 = 16,631.52/x
  3. Step 3: Cross multiply
    28,474.77x = 42,698.19 × 16,631.52
  4. Step 4: Simplify right side
    28,474.77x = 710,135,800.95
  5. Step 5: Solve for x
    x = 710,135,800.95/28,474.77
  6. Step 6: Final answer
    x = 24,939.12

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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.