Home / 28,906.04-39,889.32-16,330.52

Finding the Fourth Proportional to 28,906.04, 39,889.32 and 16,330.52

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Solution

The fourth proportional to 28,906.04, 39,889.32 and 16,330.52 is: 22,535.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906.04 : 39,889.32 = 16,330.52 : x
  2. Step 2: Convert to fraction form
    28,906.04/39,889.32 = 16,330.52/x
  3. Step 3: Cross multiply
    28,906.04x = 39,889.32 × 16,330.52
  4. Step 4: Simplify right side
    28,906.04x = 651,413,338.05
  5. Step 5: Solve for x
    x = 651,413,338.05/28,906.04
  6. Step 6: Final answer
    x = 22,535.54

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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.