Home / 20,829.44-31,276.56-16,896.08

Finding the Fourth Proportional to 20,829.44, 31,276.56 and 16,896.08

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Solution

The fourth proportional to 20,829.44, 31,276.56 and 16,896.08 is: 25,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,829.44 : 31,276.56 = 16,896.08 : x
  2. Step 2: Convert to fraction form
    20,829.44/31,276.56 = 16,896.08/x
  3. Step 3: Cross multiply
    20,829.44x = 31,276.56 × 16,896.08
  4. Step 4: Simplify right side
    20,829.44x = 528,451,259.88
  5. Step 5: Solve for x
    x = 528,451,259.88/20,829.44
  6. Step 6: Final answer
    x = 25,370.40

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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.