Home / 28,676.98-43,021.44-14,453.45

Finding the Fourth Proportional to 28,676.98, 43,021.44 and 14,453.45

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Solution

The fourth proportional to 28,676.98, 43,021.44 and 14,453.45 is: 21,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676.98 : 43,021.44 = 14,453.45 : x
  2. Step 2: Convert to fraction form
    28,676.98/43,021.44 = 14,453.45/x
  3. Step 3: Cross multiply
    28,676.98x = 43,021.44 × 14,453.45
  4. Step 4: Simplify right side
    28,676.98x = 621,807,944.59
  5. Step 5: Solve for x
    x = 621,807,944.59/28,676.98
  6. Step 6: Final answer
    x = 21,683.18

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1.5x scale

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.