Home / 28,977.73-39,987.88-17,797.57

Finding the Fourth Proportional to 28,977.73, 39,987.88 and 17,797.57

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Solution

The fourth proportional to 28,977.73, 39,987.88 and 17,797.57 is: 24,559.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977.73 : 39,987.88 = 17,797.57 : x
  2. Step 2: Convert to fraction form
    28,977.73/39,987.88 = 17,797.57/x
  3. Step 3: Cross multiply
    28,977.73x = 39,987.88 × 17,797.57
  4. Step 4: Simplify right side
    28,977.73x = 711,687,093.45
  5. Step 5: Solve for x
    x = 711,687,093.45/28,977.73
  6. Step 6: Final answer
    x = 24,559.79

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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.