Home / 28,099.44-38,774.30-16,164.50

Finding the Fourth Proportional to 28,099.44, 38,774.30 and 16,164.50

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Solution

The fourth proportional to 28,099.44, 38,774.30 and 16,164.50 is: 22,305.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099.44 : 38,774.30 = 16,164.50 : x
  2. Step 2: Convert to fraction form
    28,099.44/38,774.30 = 16,164.50/x
  3. Step 3: Cross multiply
    28,099.44x = 38,774.30 × 16,164.50
  4. Step 4: Simplify right side
    28,099.44x = 626,766,897.66
  5. Step 5: Solve for x
    x = 626,766,897.66/28,099.44
  6. Step 6: Final answer
    x = 22,305.32

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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.