Home / 28,954.90-43,438.72-16,480.80

Finding the Fourth Proportional to 28,954.90, 43,438.72 and 16,480.80

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Solution

The fourth proportional to 28,954.90, 43,438.72 and 16,480.80 is: 24,724.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954.90 : 43,438.72 = 16,480.80 : x
  2. Step 2: Convert to fraction form
    28,954.90/43,438.72 = 16,480.80/x
  3. Step 3: Cross multiply
    28,954.90x = 43,438.72 × 16,480.80
  4. Step 4: Simplify right side
    28,954.90x = 715,904,639.38
  5. Step 5: Solve for x
    x = 715,904,639.38/28,954.90
  6. Step 6: Final answer
    x = 24,724.82

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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.