Home / 28,863.36-39,826.08-16,285.68

Finding the Fourth Proportional to 28,863.36, 39,826.08 and 16,285.68

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Solution

The fourth proportional to 28,863.36, 39,826.08 and 16,285.68 is: 22,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,863.36 : 39,826.08 = 16,285.68 : x
  2. Step 2: Convert to fraction form
    28,863.36/39,826.08 = 16,285.68/x
  3. Step 3: Cross multiply
    28,863.36x = 39,826.08 × 16,285.68
  4. Step 4: Simplify right side
    28,863.36x = 648,594,794.53
  5. Step 5: Solve for x
    x = 648,594,794.53/28,863.36
  6. Step 6: Final answer
    x = 22,471.22

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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.