Home / 28,163.56-38,852.59-16,219.98

Finding the Fourth Proportional to 28,163.56, 38,852.59 and 16,219.98

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Solution

The fourth proportional to 28,163.56, 38,852.59 and 16,219.98 is: 22,376.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,163.56 : 38,852.59 = 16,219.98 : x
  2. Step 2: Convert to fraction form
    28,163.56/38,852.59 = 16,219.98/x
  3. Step 3: Cross multiply
    28,163.56x = 38,852.59 × 16,219.98
  4. Step 4: Simplify right side
    28,163.56x = 630,188,232.75
  5. Step 5: Solve for x
    x = 630,188,232.75/28,163.56
  6. Step 6: Final answer
    x = 22,376.01

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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.