Home / 28,282.57-42,439.44-17,197.05

Finding the Fourth Proportional to 28,282.57, 42,439.44 and 17,197.05

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Solution

The fourth proportional to 28,282.57, 42,439.44 and 17,197.05 is: 25,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,282.57 : 42,439.44 = 17,197.05 : x
  2. Step 2: Convert to fraction form
    28,282.57/42,439.44 = 17,197.05/x
  3. Step 3: Cross multiply
    28,282.57x = 42,439.44 × 17,197.05
  4. Step 4: Simplify right side
    28,282.57x = 729,833,096.89
  5. Step 5: Solve for x
    x = 729,833,096.89/28,282.57
  6. Step 6: Final answer
    x = 25,805.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.