Home / 27,081.88-37,372.80-15,751.60

Finding the Fourth Proportional to 27,081.88, 37,372.80 and 15,751.60

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Solution

The fourth proportional to 27,081.88, 37,372.80 and 15,751.60 is: 21,737.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,081.88 : 37,372.80 = 15,751.60 : x
  2. Step 2: Convert to fraction form
    27,081.88/37,372.80 = 15,751.60/x
  3. Step 3: Cross multiply
    27,081.88x = 37,372.80 × 15,751.60
  4. Step 4: Simplify right side
    27,081.88x = 588,681,396.48
  5. Step 5: Solve for x
    x = 588,681,396.48/27,081.88
  6. Step 6: Final answer
    x = 21,737.09

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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.