Home / 28,828.59-39,783.38-16,253.25

Finding the Fourth Proportional to 28,828.59, 39,783.38 and 16,253.25

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Solution

The fourth proportional to 28,828.59, 39,783.38 and 16,253.25 is: 22,429.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828.59 : 39,783.38 = 16,253.25 : x
  2. Step 2: Convert to fraction form
    28,828.59/39,783.38 = 16,253.25/x
  3. Step 3: Cross multiply
    28,828.59x = 39,783.38 × 16,253.25
  4. Step 4: Simplify right side
    28,828.59x = 646,609,022.07
  5. Step 5: Solve for x
    x = 646,609,022.07/28,828.59
  6. Step 6: Final answer
    x = 22,429.44

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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.