Home / 28,783.12-39,717.38-16,034.26

Finding the Fourth Proportional to 28,783.12, 39,717.38 and 16,034.26

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Solution

The fourth proportional to 28,783.12, 39,717.38 and 16,034.26 is: 22,125.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,783.12 : 39,717.38 = 16,034.26 : x
  2. Step 2: Convert to fraction form
    28,783.12/39,717.38 = 16,034.26/x
  3. Step 3: Cross multiply
    28,783.12x = 39,717.38 × 16,034.26
  4. Step 4: Simplify right side
    28,783.12x = 636,838,797.44
  5. Step 5: Solve for x
    x = 636,838,797.44/28,783.12
  6. Step 6: Final answer
    x = 22,125.43

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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.