Home / 21,825.38-32,739.36-6,835.30

Finding the Fourth Proportional to 21,825.38, 32,739.36 and 6,835.30

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Solution

The fourth proportional to 21,825.38, 32,739.36 and 6,835.30 is: 10,253.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,825.38 : 32,739.36 = 6,835.30 : x
  2. Step 2: Convert to fraction form
    21,825.38/32,739.36 = 6,835.30/x
  3. Step 3: Cross multiply
    21,825.38x = 32,739.36 × 6,835.30
  4. Step 4: Simplify right side
    21,825.38x = 223,783,347.41
  5. Step 5: Solve for x
    x = 223,783,347.41/21,825.38
  6. Step 6: Final answer
    x = 10,253.35

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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.