Home / 25,994.86-35,830.58-20,319.60

Finding the Fourth Proportional to 25,994.86, 35,830.58 and 20,319.60

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Solution

The fourth proportional to 25,994.86, 35,830.58 and 20,319.60 is: 28,007.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,994.86 : 35,830.58 = 20,319.60 : x
  2. Step 2: Convert to fraction form
    25,994.86/35,830.58 = 20,319.60/x
  3. Step 3: Cross multiply
    25,994.86x = 35,830.58 × 20,319.60
  4. Step 4: Simplify right side
    25,994.86x = 728,063,053.37
  5. Step 5: Solve for x
    x = 728,063,053.37/25,994.86
  6. Step 6: Final answer
    x = 28,007.96

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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.