Home / 26,379.87-36,404.43-15,625.33

Finding the Fourth Proportional to 26,379.87, 36,404.43 and 15,625.33

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Solution

The fourth proportional to 26,379.87, 36,404.43 and 15,625.33 is: 21,563.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,379.87 : 36,404.43 = 15,625.33 : x
  2. Step 2: Convert to fraction form
    26,379.87/36,404.43 = 15,625.33/x
  3. Step 3: Cross multiply
    26,379.87x = 36,404.43 × 15,625.33
  4. Step 4: Simplify right side
    26,379.87x = 568,831,232.21
  5. Step 5: Solve for x
    x = 568,831,232.21/26,379.87
  6. Step 6: Final answer
    x = 21,563.08

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1.5x scale

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.