Home / 26,928.96-40,392.02-8,208.54

Finding the Fourth Proportional to 26,928.96, 40,392.02 and 8,208.54

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Solution

The fourth proportional to 26,928.96, 40,392.02 and 8,208.54 is: 12,312.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,928.96 : 40,392.02 = 8,208.54 : x
  2. Step 2: Convert to fraction form
    26,928.96/40,392.02 = 8,208.54/x
  3. Step 3: Cross multiply
    26,928.96x = 40,392.02 × 8,208.54
  4. Step 4: Simplify right side
    26,928.96x = 331,559,486.20
  5. Step 5: Solve for x
    x = 331,559,486.20/26,928.96
  6. Step 6: Final answer
    x = 12,312.38

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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.