Home / 28,351.44-42,532.32-8,627.76

Finding the Fourth Proportional to 28,351.44, 42,532.32 and 8,627.76

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Solution

The fourth proportional to 28,351.44, 42,532.32 and 8,627.76 is: 12,943.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,351.44 : 42,532.32 = 8,627.76 : x
  2. Step 2: Convert to fraction form
    28,351.44/42,532.32 = 8,627.76/x
  3. Step 3: Cross multiply
    28,351.44x = 42,532.32 × 8,627.76
  4. Step 4: Simplify right side
    28,351.44x = 366,958,649.20
  5. Step 5: Solve for x
    x = 366,958,649.20/28,351.44
  6. Step 6: Final answer
    x = 12,943.21

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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.