Home / 28,935.01-39,928.70-16,185.73

Finding the Fourth Proportional to 28,935.01, 39,928.70 and 16,185.73

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Solution

The fourth proportional to 28,935.01, 39,928.70 and 16,185.73 is: 22,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,935.01 : 39,928.70 = 16,185.73 : x
  2. Step 2: Convert to fraction form
    28,935.01/39,928.70 = 16,185.73/x
  3. Step 3: Cross multiply
    28,935.01x = 39,928.70 × 16,185.73
  4. Step 4: Simplify right side
    28,935.01x = 646,275,109.99
  5. Step 5: Solve for x
    x = 646,275,109.99/28,935.01
  6. Step 6: Final answer
    x = 22,335.40

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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.