Home / 28,680.26-42,971.85-17,563.73

Finding the Fourth Proportional to 28,680.26, 42,971.85 and 17,563.73

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Solution

The fourth proportional to 28,680.26, 42,971.85 and 17,563.73 is: 26,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,680.26 : 42,971.85 = 17,563.73 : x
  2. Step 2: Convert to fraction form
    28,680.26/42,971.85 = 17,563.73/x
  3. Step 3: Cross multiply
    28,680.26x = 42,971.85 × 17,563.73
  4. Step 4: Simplify right side
    28,680.26x = 754,745,971.00
  5. Step 5: Solve for x
    x = 754,745,971.00/28,680.26
  6. Step 6: Final answer
    x = 26,315.87

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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.