Home / 28,764.90-43,163.55-11,232.45

Finding the Fourth Proportional to 28,764.90, 43,163.55 and 11,232.45

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Solution

The fourth proportional to 28,764.90, 43,163.55 and 11,232.45 is: 16,855.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,764.90 : 43,163.55 = 11,232.45 : x
  2. Step 2: Convert to fraction form
    28,764.90/43,163.55 = 11,232.45/x
  3. Step 3: Cross multiply
    28,764.90x = 43,163.55 × 11,232.45
  4. Step 4: Simplify right side
    28,764.90x = 484,832,417.20
  5. Step 5: Solve for x
    x = 484,832,417.20/28,764.90
  6. Step 6: Final answer
    x = 16,855.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.