Home / 23,729.44-35,615.72-12,645.60

Finding the Fourth Proportional to 23,729.44, 35,615.72 and 12,645.60

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Solution

The fourth proportional to 23,729.44, 35,615.72 and 12,645.60 is: 18,979.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,729.44 : 35,615.72 = 12,645.60 : x
  2. Step 2: Convert to fraction form
    23,729.44/35,615.72 = 12,645.60/x
  3. Step 3: Cross multiply
    23,729.44x = 35,615.72 × 12,645.60
  4. Step 4: Simplify right side
    23,729.44x = 450,382,148.83
  5. Step 5: Solve for x
    x = 450,382,148.83/23,729.44
  6. Step 6: Final answer
    x = 18,979.89

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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.