Home / 21,472.44-32,192.42-14,078.76

Finding the Fourth Proportional to 21,472.44, 32,192.42 and 14,078.76

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Solution

The fourth proportional to 21,472.44, 32,192.42 and 14,078.76 is: 21,107.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,472.44 : 32,192.42 = 14,078.76 : x
  2. Step 2: Convert to fraction form
    21,472.44/32,192.42 = 14,078.76/x
  3. Step 3: Cross multiply
    21,472.44x = 32,192.42 × 14,078.76
  4. Step 4: Simplify right side
    21,472.44x = 453,229,355.00
  5. Step 5: Solve for x
    x = 453,229,355.00/21,472.44
  6. Step 6: Final answer
    x = 21,107.49

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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.