Home / 28,801.94-43,201.47-11,274.98

Finding the Fourth Proportional to 28,801.94, 43,201.47 and 11,274.98

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Solution

The fourth proportional to 28,801.94, 43,201.47 and 11,274.98 is: 16,911.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,801.94 : 43,201.47 = 11,274.98 : x
  2. Step 2: Convert to fraction form
    28,801.94/43,201.47 = 11,274.98/x
  3. Step 3: Cross multiply
    28,801.94x = 43,201.47 × 11,274.98
  4. Step 4: Simplify right side
    28,801.94x = 487,095,710.22
  5. Step 5: Solve for x
    x = 487,095,710.22/28,801.94
  6. Step 6: Final answer
    x = 16,911.91

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1.5x scale

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.