Home / 23,739.35-32,759.74-13,128.75

Finding the Fourth Proportional to 23,739.35, 32,759.74 and 13,128.75

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Solution

The fourth proportional to 23,739.35, 32,759.74 and 13,128.75 is: 18,117.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,739.35 : 32,759.74 = 13,128.75 : x
  2. Step 2: Convert to fraction form
    23,739.35/32,759.74 = 13,128.75/x
  3. Step 3: Cross multiply
    23,739.35x = 32,759.74 × 13,128.75
  4. Step 4: Simplify right side
    23,739.35x = 430,094,370.88
  5. Step 5: Solve for x
    x = 430,094,370.88/23,739.35
  6. Step 6: Final answer
    x = 18,117.36

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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.