Home / 28,897.32-43,352.58-12,257.96

Finding the Fourth Proportional to 28,897.32, 43,352.58 and 12,257.96

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Solution

The fourth proportional to 28,897.32, 43,352.58 and 12,257.96 is: 18,389.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897.32 : 43,352.58 = 12,257.96 : x
  2. Step 2: Convert to fraction form
    28,897.32/43,352.58 = 12,257.96/x
  3. Step 3: Cross multiply
    28,897.32x = 43,352.58 × 12,257.96
  4. Step 4: Simplify right side
    28,897.32x = 531,414,191.54
  5. Step 5: Solve for x
    x = 531,414,191.54/28,897.32
  6. Step 6: Final answer
    x = 18,389.74

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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.