Home / 28,627.35-42,941.33-7,850.85

Finding the Fourth Proportional to 28,627.35, 42,941.33 and 7,850.85

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Solution

The fourth proportional to 28,627.35, 42,941.33 and 7,850.85 is: 11,776.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,627.35 : 42,941.33 = 7,850.85 : x
  2. Step 2: Convert to fraction form
    28,627.35/42,941.33 = 7,850.85/x
  3. Step 3: Cross multiply
    28,627.35x = 42,941.33 × 7,850.85
  4. Step 4: Simplify right side
    28,627.35x = 337,125,901.38
  5. Step 5: Solve for x
    x = 337,125,901.38/28,627.35
  6. Step 6: Final answer
    x = 11,776.36

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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.