Home / 26,768.78-40,155.16-8,047.32

Finding the Fourth Proportional to 26,768.78, 40,155.16 and 8,047.32

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Solution

The fourth proportional to 26,768.78, 40,155.16 and 8,047.32 is: 12,071.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,768.78 : 40,155.16 = 8,047.32 : x
  2. Step 2: Convert to fraction form
    26,768.78/40,155.16 = 8,047.32/x
  3. Step 3: Cross multiply
    26,768.78x = 40,155.16 × 8,047.32
  4. Step 4: Simplify right side
    26,768.78x = 323,141,422.17
  5. Step 5: Solve for x
    x = 323,141,422.17/26,768.78
  6. Step 6: Final answer
    x = 12,071.58

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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.