Home / 20,542.06-28,348.42-12,050.30

Finding the Fourth Proportional to 20,542.06, 28,348.42 and 12,050.30

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Solution

The fourth proportional to 20,542.06, 28,348.42 and 12,050.30 is: 16,629.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542.06 : 28,348.42 = 12,050.30 : x
  2. Step 2: Convert to fraction form
    20,542.06/28,348.42 = 12,050.30/x
  3. Step 3: Cross multiply
    20,542.06x = 28,348.42 × 12,050.30
  4. Step 4: Simplify right side
    20,542.06x = 341,606,965.53
  5. Step 5: Solve for x
    x = 341,606,965.53/20,542.06
  6. Step 6: Final answer
    x = 16,629.64

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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.