Home / 26,579.98-36,720.03-21,467.87

Finding the Fourth Proportional to 26,579.98, 36,720.03 and 21,467.87

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Solution

The fourth proportional to 26,579.98, 36,720.03 and 21,467.87 is: 29,657.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,579.98 : 36,720.03 = 21,467.87 : x
  2. Step 2: Convert to fraction form
    26,579.98/36,720.03 = 21,467.87/x
  3. Step 3: Cross multiply
    26,579.98x = 36,720.03 × 21,467.87
  4. Step 4: Simplify right side
    26,579.98x = 788,300,830.44
  5. Step 5: Solve for x
    x = 788,300,830.44/26,579.98
  6. Step 6: Final answer
    x = 29,657.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.