Home / 28,838.22-43,257.69-9,118.50

Finding the Fourth Proportional to 28,838.22, 43,257.69 and 9,118.50

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Solution

The fourth proportional to 28,838.22, 43,257.69 and 9,118.50 is: 13,677.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838.22 : 43,257.69 = 9,118.50 : x
  2. Step 2: Convert to fraction form
    28,838.22/43,257.69 = 9,118.50/x
  3. Step 3: Cross multiply
    28,838.22x = 43,257.69 × 9,118.50
  4. Step 4: Simplify right side
    28,838.22x = 394,445,246.27
  5. Step 5: Solve for x
    x = 394,445,246.27/28,838.22
  6. Step 6: Final answer
    x = 13,677.86

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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.