Home / 26,791.36-36,969.60-15,462.88

Finding the Fourth Proportional to 26,791.36, 36,969.60 and 15,462.88

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Solution

The fourth proportional to 26,791.36, 36,969.60 and 15,462.88 is: 21,337.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,791.36 : 36,969.60 = 15,462.88 : x
  2. Step 2: Convert to fraction form
    26,791.36/36,969.60 = 15,462.88/x
  3. Step 3: Cross multiply
    26,791.36x = 36,969.60 × 15,462.88
  4. Step 4: Simplify right side
    26,791.36x = 571,656,488.45
  5. Step 5: Solve for x
    x = 571,656,488.45/26,791.36
  6. Step 6: Final answer
    x = 21,337.34

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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.