Home / 25,994.36-35,829.90-20,319.09

Finding the Fourth Proportional to 25,994.36, 35,829.90 and 20,319.09

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Solution

The fourth proportional to 25,994.36, 35,829.90 and 20,319.09 is: 28,007.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,994.36 : 35,829.90 = 20,319.09 : x
  2. Step 2: Convert to fraction form
    25,994.36/35,829.90 = 20,319.09/x
  3. Step 3: Cross multiply
    25,994.36x = 35,829.90 × 20,319.09
  4. Step 4: Simplify right side
    25,994.36x = 728,030,962.79
  5. Step 5: Solve for x
    x = 728,030,962.79/25,994.36
  6. Step 6: Final answer
    x = 28,007.27

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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.