Home / 26,736.26-36,870.80-19,945.28

Finding the Fourth Proportional to 26,736.26, 36,870.80 and 19,945.28

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Solution

The fourth proportional to 26,736.26, 36,870.80 and 19,945.28 is: 27,505.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,736.26 : 36,870.80 = 19,945.28 : x
  2. Step 2: Convert to fraction form
    26,736.26/36,870.80 = 19,945.28/x
  3. Step 3: Cross multiply
    26,736.26x = 36,870.80 × 19,945.28
  4. Step 4: Simplify right side
    26,736.26x = 735,398,429.82
  5. Step 5: Solve for x
    x = 735,398,429.82/26,736.26
  6. Step 6: Final answer
    x = 27,505.66

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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.