Home / 26,786.48-36,977.10-18,751.69

Finding the Fourth Proportional to 26,786.48, 36,977.10 and 18,751.69

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Solution

The fourth proportional to 26,786.48, 36,977.10 and 18,751.69 is: 25,885.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,786.48 : 36,977.10 = 18,751.69 : x
  2. Step 2: Convert to fraction form
    26,786.48/36,977.10 = 18,751.69/x
  3. Step 3: Cross multiply
    26,786.48x = 36,977.10 × 18,751.69
  4. Step 4: Simplify right side
    26,786.48x = 693,383,116.30
  5. Step 5: Solve for x
    x = 693,383,116.30/26,786.48
  6. Step 6: Final answer
    x = 25,885.56

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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.