Home / 27,629.33-38,128.56-15,692.77

Finding the Fourth Proportional to 27,629.33, 38,128.56 and 15,692.77

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Solution

The fourth proportional to 27,629.33, 38,128.56 and 15,692.77 is: 21,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.33 : 38,128.56 = 15,692.77 : x
  2. Step 2: Convert to fraction form
    27,629.33/38,128.56 = 15,692.77/x
  3. Step 3: Cross multiply
    27,629.33x = 38,128.56 × 15,692.77
  4. Step 4: Simplify right side
    27,629.33x = 598,342,531.87
  5. Step 5: Solve for x
    x = 598,342,531.87/27,629.33
  6. Step 6: Final answer
    x = 21,656.06

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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.