Home / 26,775.31-36,932.61-21,101.26

Finding the Fourth Proportional to 26,775.31, 36,932.61 and 21,101.26

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Solution

The fourth proportional to 26,775.31, 36,932.61 and 21,101.26 is: 29,106.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,775.31 : 36,932.61 = 21,101.26 : x
  2. Step 2: Convert to fraction form
    26,775.31/36,932.61 = 21,101.26/x
  3. Step 3: Cross multiply
    26,775.31x = 36,932.61 × 21,101.26
  4. Step 4: Simplify right side
    26,775.31x = 779,324,606.09
  5. Step 5: Solve for x
    x = 779,324,606.09/26,775.31
  6. Step 6: Final answer
    x = 29,106.09

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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.