Home / 28,910.73-43,372.48-12,284.98

Finding the Fourth Proportional to 28,910.73, 43,372.48 and 12,284.98

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Solution

The fourth proportional to 28,910.73, 43,372.48 and 12,284.98 is: 18,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.73 : 43,372.48 = 12,284.98 : x
  2. Step 2: Convert to fraction form
    28,910.73/43,372.48 = 12,284.98/x
  3. Step 3: Cross multiply
    28,910.73x = 43,372.48 × 12,284.98
  4. Step 4: Simplify right side
    28,910.73x = 532,829,771.06
  5. Step 5: Solve for x
    x = 532,829,771.06/28,910.73
  6. Step 6: Final answer
    x = 18,430.17

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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.