Home / 28,797.90-39,727.52-16,853.84

Finding the Fourth Proportional to 28,797.90, 39,727.52 and 16,853.84

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Solution

The fourth proportional to 28,797.90, 39,727.52 and 16,853.84 is: 23,250.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,797.90 : 39,727.52 = 16,853.84 : x
  2. Step 2: Convert to fraction form
    28,797.90/39,727.52 = 16,853.84/x
  3. Step 3: Cross multiply
    28,797.90x = 39,727.52 × 16,853.84
  4. Step 4: Simplify right side
    28,797.90x = 669,561,265.68
  5. Step 5: Solve for x
    x = 669,561,265.68/28,797.90
  6. Step 6: Final answer
    x = 23,250.35

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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.