Home / 17,972.82-26,960.60-13,101.28

Finding the Fourth Proportional to 17,972.82, 26,960.60 and 13,101.28

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Solution

The fourth proportional to 17,972.82, 26,960.60 and 13,101.28 is: 19,652.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,972.82 : 26,960.60 = 13,101.28 : x
  2. Step 2: Convert to fraction form
    17,972.82/26,960.60 = 13,101.28/x
  3. Step 3: Cross multiply
    17,972.82x = 26,960.60 × 13,101.28
  4. Step 4: Simplify right side
    17,972.82x = 353,218,261.23
  5. Step 5: Solve for x
    x = 353,218,261.23/17,972.82
  6. Step 6: Final answer
    x = 19,652.91

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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.