Home / 28,774.83-39,702.31-16,199.58

Finding the Fourth Proportional to 28,774.83, 39,702.31 and 16,199.58

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Solution

The fourth proportional to 28,774.83, 39,702.31 and 16,199.58 is: 22,351.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774.83 : 39,702.31 = 16,199.58 : x
  2. Step 2: Convert to fraction form
    28,774.83/39,702.31 = 16,199.58/x
  3. Step 3: Cross multiply
    28,774.83x = 39,702.31 × 16,199.58
  4. Step 4: Simplify right side
    28,774.83x = 643,160,747.03
  5. Step 5: Solve for x
    x = 643,160,747.03/28,774.83
  6. Step 6: Final answer
    x = 22,351.50

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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.