Home / 26,729.09-40,107.45-19,394.03

Finding the Fourth Proportional to 26,729.09, 40,107.45 and 19,394.03

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Solution

The fourth proportional to 26,729.09, 40,107.45 and 19,394.03 is: 29,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,729.09 : 40,107.45 = 19,394.03 : x
  2. Step 2: Convert to fraction form
    26,729.09/40,107.45 = 19,394.03/x
  3. Step 3: Cross multiply
    26,729.09x = 40,107.45 × 19,394.03
  4. Step 4: Simplify right side
    26,729.09x = 777,845,261.52
  5. Step 5: Solve for x
    x = 777,845,261.52/26,729.09
  6. Step 6: Final answer
    x = 29,101.08

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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.