Home / 28,840.36-39,801.56-16,265.92

Finding the Fourth Proportional to 28,840.36, 39,801.56 and 16,265.92

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Solution

The fourth proportional to 28,840.36, 39,801.56 and 16,265.92 is: 22,448.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840.36 : 39,801.56 = 16,265.92 : x
  2. Step 2: Convert to fraction form
    28,840.36/39,801.56 = 16,265.92/x
  3. Step 3: Cross multiply
    28,840.36x = 39,801.56 × 16,265.92
  4. Step 4: Simplify right side
    28,840.36x = 647,408,990.84
  5. Step 5: Solve for x
    x = 647,408,990.84/28,840.36
  6. Step 6: Final answer
    x = 22,448.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.