Home / 28,828.71-39,783.56-16,253.37

Finding the Fourth Proportional to 28,828.71, 39,783.56 and 16,253.37

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Solution

The fourth proportional to 28,828.71, 39,783.56 and 16,253.37 is: 22,429.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828.71 : 39,783.56 = 16,253.37 : x
  2. Step 2: Convert to fraction form
    28,828.71/39,783.56 = 16,253.37/x
  3. Step 3: Cross multiply
    28,828.71x = 39,783.56 × 16,253.37
  4. Step 4: Simplify right side
    28,828.71x = 646,616,839.33
  5. Step 5: Solve for x
    x = 646,616,839.33/28,828.71
  6. Step 6: Final answer
    x = 22,429.61

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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.