Home / 28,880.25-43,314.15-16,864.38

Finding the Fourth Proportional to 28,880.25, 43,314.15 and 16,864.38

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Solution

The fourth proportional to 28,880.25, 43,314.15 and 16,864.38 is: 25,292.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.25 : 43,314.15 = 16,864.38 : x
  2. Step 2: Convert to fraction form
    28,880.25/43,314.15 = 16,864.38/x
  3. Step 3: Cross multiply
    28,880.25x = 43,314.15 × 16,864.38
  4. Step 4: Simplify right side
    28,880.25x = 730,466,284.98
  5. Step 5: Solve for x
    x = 730,466,284.98/28,880.25
  6. Step 6: Final answer
    x = 25,292.93

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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.