Home / 28,973.28-39,984.01-16,226.43

Finding the Fourth Proportional to 28,973.28, 39,984.01 and 16,226.43

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Solution

The fourth proportional to 28,973.28, 39,984.01 and 16,226.43 is: 22,392.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973.28 : 39,984.01 = 16,226.43 : x
  2. Step 2: Convert to fraction form
    28,973.28/39,984.01 = 16,226.43/x
  3. Step 3: Cross multiply
    28,973.28x = 39,984.01 × 16,226.43
  4. Step 4: Simplify right side
    28,973.28x = 648,797,739.38
  5. Step 5: Solve for x
    x = 648,797,739.38/28,973.28
  6. Step 6: Final answer
    x = 22,392.97

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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.