Home / 28,180.98-42,289.92-10,650.82

Finding the Fourth Proportional to 28,180.98, 42,289.92 and 10,650.82

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Solution

The fourth proportional to 28,180.98, 42,289.92 and 10,650.82 is: 15,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,180.98 : 42,289.92 = 10,650.82 : x
  2. Step 2: Convert to fraction form
    28,180.98/42,289.92 = 10,650.82/x
  3. Step 3: Cross multiply
    28,180.98x = 42,289.92 × 10,650.82
  4. Step 4: Simplify right side
    28,180.98x = 450,422,325.73
  5. Step 5: Solve for x
    x = 450,422,325.73/28,180.98
  6. Step 6: Final answer
    x = 15,983.20

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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.