Home / 38,212.80-57,327.30-11,556.60

Finding the Fourth Proportional to 38,212.80, 57,327.30 and 11,556.60

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Solution

The fourth proportional to 38,212.80, 57,327.30 and 11,556.60 is: 17,337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,212.80 : 57,327.30 = 11,556.60 : x
  2. Step 2: Convert to fraction form
    38,212.80/57,327.30 = 11,556.60/x
  3. Step 3: Cross multiply
    38,212.80x = 57,327.30 × 11,556.60
  4. Step 4: Simplify right side
    38,212.80x = 662,508,675.18
  5. Step 5: Solve for x
    x = 662,508,675.18/38,212.80
  6. Step 6: Final answer
    x = 17,337.35

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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.