Home / 18,467.28-27,680.40-14,070.24

Finding the Fourth Proportional to 18,467.28, 27,680.40 and 14,070.24

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Solution

The fourth proportional to 18,467.28, 27,680.40 and 14,070.24 is: 21,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467.28 : 27,680.40 = 14,070.24 : x
  2. Step 2: Convert to fraction form
    18,467.28/27,680.40 = 14,070.24/x
  3. Step 3: Cross multiply
    18,467.28x = 27,680.40 × 14,070.24
  4. Step 4: Simplify right side
    18,467.28x = 389,469,871.30
  5. Step 5: Solve for x
    x = 389,469,871.30/18,467.28
  6. Step 6: Final answer
    x = 21,089.73

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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.