Home / 25,822.80-38,739.60-8,294.40

Finding the Fourth Proportional to 25,822.80, 38,739.60 and 8,294.40

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Solution

The fourth proportional to 25,822.80, 38,739.60 and 8,294.40 is: 12,443.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,822.80 : 38,739.60 = 8,294.40 : x
  2. Step 2: Convert to fraction form
    25,822.80/38,739.60 = 8,294.40/x
  3. Step 3: Cross multiply
    25,822.80x = 38,739.60 × 8,294.40
  4. Step 4: Simplify right side
    25,822.80x = 321,321,738.24
  5. Step 5: Solve for x
    x = 321,321,738.24/25,822.80
  6. Step 6: Final answer
    x = 12,443.33

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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.