Home / 28,876.19-43,281.41-12,225.83

Finding the Fourth Proportional to 28,876.19, 43,281.41 and 12,225.83

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Solution

The fourth proportional to 28,876.19, 43,281.41 and 12,225.83 is: 18,324.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876.19 : 43,281.41 = 12,225.83 : x
  2. Step 2: Convert to fraction form
    28,876.19/43,281.41 = 12,225.83/x
  3. Step 3: Cross multiply
    28,876.19x = 43,281.41 × 12,225.83
  4. Step 4: Simplify right side
    28,876.19x = 529,150,883.28
  5. Step 5: Solve for x
    x = 529,150,883.28/28,876.19
  6. Step 6: Final answer
    x = 18,324.82

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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.