Home / 26,418.83-36,438.66-16,865.28

Finding the Fourth Proportional to 26,418.83, 36,438.66 and 16,865.28

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Solution

The fourth proportional to 26,418.83, 36,438.66 and 16,865.28 is: 23,261.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,418.83 : 36,438.66 = 16,865.28 : x
  2. Step 2: Convert to fraction form
    26,418.83/36,438.66 = 16,865.28/x
  3. Step 3: Cross multiply
    26,418.83x = 36,438.66 × 16,865.28
  4. Step 4: Simplify right side
    26,418.83x = 614,548,203.72
  5. Step 5: Solve for x
    x = 614,548,203.72/26,418.83
  6. Step 6: Final answer
    x = 23,261.75

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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.