Home / 28,051.92-38,713.55-16,120.01

Finding the Fourth Proportional to 28,051.92, 38,713.55 and 16,120.01

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Solution

The fourth proportional to 28,051.92, 38,713.55 and 16,120.01 is: 22,246.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,051.92 : 38,713.55 = 16,120.01 : x
  2. Step 2: Convert to fraction form
    28,051.92/38,713.55 = 16,120.01/x
  3. Step 3: Cross multiply
    28,051.92x = 38,713.55 × 16,120.01
  4. Step 4: Simplify right side
    28,051.92x = 624,062,829.32
  5. Step 5: Solve for x
    x = 624,062,829.32/28,051.92
  6. Step 6: Final answer
    x = 22,246.71

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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.