Home / 28,906.98-39,892.41-16,331.46

Finding the Fourth Proportional to 28,906.98, 39,892.41 and 16,331.46

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Solution

The fourth proportional to 28,906.98, 39,892.41 and 16,331.46 is: 22,537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906.98 : 39,892.41 = 16,331.46 : x
  2. Step 2: Convert to fraction form
    28,906.98/39,892.41 = 16,331.46/x
  3. Step 3: Cross multiply
    28,906.98x = 39,892.41 × 16,331.46
  4. Step 4: Simplify right side
    28,906.98x = 651,501,298.22
  5. Step 5: Solve for x
    x = 651,501,298.22/28,906.98
  6. Step 6: Final answer
    x = 22,537.85

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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.