Home / 28,797.78-39,727.35-16,853.73

Finding the Fourth Proportional to 28,797.78, 39,727.35 and 16,853.73

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Solution

The fourth proportional to 28,797.78, 39,727.35 and 16,853.73 is: 23,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,797.78 : 39,727.35 = 16,853.73 : x
  2. Step 2: Convert to fraction form
    28,797.78/39,727.35 = 16,853.73/x
  3. Step 3: Cross multiply
    28,797.78x = 39,727.35 × 16,853.73
  4. Step 4: Simplify right side
    28,797.78x = 669,554,030.52
  5. Step 5: Solve for x
    x = 669,554,030.52/28,797.78
  6. Step 6: Final answer
    x = 23,250.20

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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.