Home / 28,983.36-39,998.54-16,235.80

Finding the Fourth Proportional to 28,983.36, 39,998.54 and 16,235.80

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Solution

The fourth proportional to 28,983.36, 39,998.54 and 16,235.80 is: 22,406.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,983.36 : 39,998.54 = 16,235.80 : x
  2. Step 2: Convert to fraction form
    28,983.36/39,998.54 = 16,235.80/x
  3. Step 3: Cross multiply
    28,983.36x = 39,998.54 × 16,235.80
  4. Step 4: Simplify right side
    28,983.36x = 649,408,295.73
  5. Step 5: Solve for x
    x = 649,408,295.73/28,983.36
  6. Step 6: Final answer
    x = 22,406.25

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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.