Home / 21,840.60-32,739.30-10,738.20

Finding the Fourth Proportional to 21,840.60, 32,739.30 and 10,738.20

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Solution

The fourth proportional to 21,840.60, 32,739.30 and 10,738.20 is: 16,096.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,840.60 : 32,739.30 = 10,738.20 : x
  2. Step 2: Convert to fraction form
    21,840.60/32,739.30 = 10,738.20/x
  3. Step 3: Cross multiply
    21,840.60x = 32,739.30 × 10,738.20
  4. Step 4: Simplify right side
    21,840.60x = 351,561,151.26
  5. Step 5: Solve for x
    x = 351,561,151.26/21,840.60
  6. Step 6: Final answer
    x = 16,096.68

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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.