Home / 26,822.31-40,168.71-13,453.26

Finding the Fourth Proportional to 26,822.31, 40,168.71 and 13,453.26

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Solution

The fourth proportional to 26,822.31, 40,168.71 and 13,453.26 is: 20,147.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,822.31 : 40,168.71 = 13,453.26 : x
  2. Step 2: Convert to fraction form
    26,822.31/40,168.71 = 13,453.26/x
  3. Step 3: Cross multiply
    26,822.31x = 40,168.71 × 13,453.26
  4. Step 4: Simplify right side
    26,822.31x = 540,400,099.49
  5. Step 5: Solve for x
    x = 540,400,099.49/26,822.31
  6. Step 6: Final answer
    x = 20,147.41

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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.