Home / 28,764.63-43,140.45-11,225.43

Finding the Fourth Proportional to 28,764.63, 43,140.45 and 11,225.43

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Solution

The fourth proportional to 28,764.63, 43,140.45 and 11,225.43 is: 16,835.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,764.63 : 43,140.45 = 11,225.43 : x
  2. Step 2: Convert to fraction form
    28,764.63/43,140.45 = 11,225.43/x
  3. Step 3: Cross multiply
    28,764.63x = 43,140.45 × 11,225.43
  4. Step 4: Simplify right side
    28,764.63x = 484,270,101.64
  5. Step 5: Solve for x
    x = 484,270,101.64/28,764.63
  6. Step 6: Final answer
    x = 16,835.61

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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.