Home / 20,559.94-28,372.96-12,062.21

Finding the Fourth Proportional to 20,559.94, 28,372.96 and 12,062.21

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Solution

The fourth proportional to 20,559.94, 28,372.96 and 12,062.21 is: 16,645.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559.94 : 28,372.96 = 12,062.21 : x
  2. Step 2: Convert to fraction form
    20,559.94/28,372.96 = 12,062.21/x
  3. Step 3: Cross multiply
    20,559.94x = 28,372.96 × 12,062.21
  4. Step 4: Simplify right side
    20,559.94x = 342,240,601.84
  5. Step 5: Solve for x
    x = 342,240,601.84/20,559.94
  6. Step 6: Final answer
    x = 16,645.99

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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.