Home / 28,679.03-43,016.41-12,038.39

Finding the Fourth Proportional to 28,679.03, 43,016.41 and 12,038.39

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Solution

The fourth proportional to 28,679.03, 43,016.41 and 12,038.39 is: 18,056.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,679.03 : 43,016.41 = 12,038.39 : x
  2. Step 2: Convert to fraction form
    28,679.03/43,016.41 = 12,038.39/x
  3. Step 3: Cross multiply
    28,679.03x = 43,016.41 × 12,038.39
  4. Step 4: Simplify right side
    28,679.03x = 517,848,319.98
  5. Step 5: Solve for x
    x = 517,848,319.98/28,679.03
  6. Step 6: Final answer
    x = 18,056.69

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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.