Home / 28,822.87-39,777.39-16,248.43

Finding the Fourth Proportional to 28,822.87, 39,777.39 and 16,248.43

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Solution

The fourth proportional to 28,822.87, 39,777.39 and 16,248.43 is: 22,423.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,822.87 : 39,777.39 = 16,248.43 : x
  2. Step 2: Convert to fraction form
    28,822.87/39,777.39 = 16,248.43/x
  3. Step 3: Cross multiply
    28,822.87x = 39,777.39 × 16,248.43
  4. Step 4: Simplify right side
    28,822.87x = 646,320,137.00
  5. Step 5: Solve for x
    x = 646,320,137.00/28,822.87
  6. Step 6: Final answer
    x = 22,423.86

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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.