Home / 26,361.90-36,431.91-19,669.68

Finding the Fourth Proportional to 26,361.90, 36,431.91 and 19,669.68

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Solution

The fourth proportional to 26,361.90, 36,431.91 and 19,669.68 is: 27,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,361.90 : 36,431.91 = 19,669.68 : x
  2. Step 2: Convert to fraction form
    26,361.90/36,431.91 = 19,669.68/x
  3. Step 3: Cross multiply
    26,361.90x = 36,431.91 × 19,669.68
  4. Step 4: Simplify right side
    26,361.90x = 716,604,011.49
  5. Step 5: Solve for x
    x = 716,604,011.49/26,361.90
  6. Step 6: Final answer
    x = 27,183.32

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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.