Home / 27,708.03-38,239.03-15,771.36

Finding the Fourth Proportional to 27,708.03, 38,239.03 and 15,771.36

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Solution

The fourth proportional to 27,708.03, 38,239.03 and 15,771.36 is: 21,765.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,708.03 : 38,239.03 = 15,771.36 : x
  2. Step 2: Convert to fraction form
    27,708.03/38,239.03 = 15,771.36/x
  3. Step 3: Cross multiply
    27,708.03x = 38,239.03 × 15,771.36
  4. Step 4: Simplify right side
    27,708.03x = 603,081,429.32
  5. Step 5: Solve for x
    x = 603,081,429.32/27,708.03
  6. Step 6: Final answer
    x = 21,765.59

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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.