Home / 21,777.20-32,704.11-21,465.56

Finding the Fourth Proportional to 21,777.20, 32,704.11 and 21,465.56

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Solution

The fourth proportional to 21,777.20, 32,704.11 and 21,465.56 is: 32,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,777.20 : 32,704.11 = 21,465.56 : x
  2. Step 2: Convert to fraction form
    21,777.20/32,704.11 = 21,465.56/x
  3. Step 3: Cross multiply
    21,777.20x = 32,704.11 × 21,465.56
  4. Step 4: Simplify right side
    21,777.20x = 702,012,035.45
  5. Step 5: Solve for x
    x = 702,012,035.45/21,777.20
  6. Step 6: Final answer
    x = 32,236.10

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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.