Home / 21,914.24-30,209.76-17,439.92

Finding the Fourth Proportional to 21,914.24, 30,209.76 and 17,439.92

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Solution

The fourth proportional to 21,914.24, 30,209.76 and 17,439.92 is: 24,041.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,914.24 : 30,209.76 = 17,439.92 : x
  2. Step 2: Convert to fraction form
    21,914.24/30,209.76 = 17,439.92/x
  3. Step 3: Cross multiply
    21,914.24x = 30,209.76 × 17,439.92
  4. Step 4: Simplify right side
    21,914.24x = 526,855,797.62
  5. Step 5: Solve for x
    x = 526,855,797.62/21,914.24
  6. Step 6: Final answer
    x = 24,041.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.