Home / 28,203.42-38,928.42-17,586.75

Finding the Fourth Proportional to 28,203.42, 38,928.42 and 17,586.75

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Solution

The fourth proportional to 28,203.42, 38,928.42 and 17,586.75 is: 24,274.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,203.42 : 38,928.42 = 17,586.75 : x
  2. Step 2: Convert to fraction form
    28,203.42/38,928.42 = 17,586.75/x
  3. Step 3: Cross multiply
    28,203.42x = 38,928.42 × 17,586.75
  4. Step 4: Simplify right side
    28,203.42x = 684,624,390.44
  5. Step 5: Solve for x
    x = 684,624,390.44/28,203.42
  6. Step 6: Final answer
    x = 24,274.52

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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.