Home / 28,212.57-42,320.21-23,273.06

Finding the Fourth Proportional to 28,212.57, 42,320.21 and 23,273.06

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Solution

The fourth proportional to 28,212.57, 42,320.21 and 23,273.06 is: 34,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,212.57 : 42,320.21 = 23,273.06 : x
  2. Step 2: Convert to fraction form
    28,212.57/42,320.21 = 23,273.06/x
  3. Step 3: Cross multiply
    28,212.57x = 42,320.21 × 23,273.06
  4. Step 4: Simplify right side
    28,212.57x = 984,920,458.58
  5. Step 5: Solve for x
    x = 984,920,458.58/28,212.57
  6. Step 6: Final answer
    x = 34,910.70

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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.