Home / 28,010.75-42,015.60-6,950.84

Finding the Fourth Proportional to 28,010.75, 42,015.60 and 6,950.84

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Solution

The fourth proportional to 28,010.75, 42,015.60 and 6,950.84 is: 10,426.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.75 : 42,015.60 = 6,950.84 : x
  2. Step 2: Convert to fraction form
    28,010.75/42,015.60 = 6,950.84/x
  3. Step 3: Cross multiply
    28,010.75x = 42,015.60 × 6,950.84
  4. Step 4: Simplify right side
    28,010.75x = 292,043,503.03
  5. Step 5: Solve for x
    x = 292,043,503.03/28,010.75
  6. Step 6: Final answer
    x = 10,426.12

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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.