Home / 27,018.72-40,528.22-8,298.54

Finding the Fourth Proportional to 27,018.72, 40,528.22 and 8,298.54

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Solution

The fourth proportional to 27,018.72, 40,528.22 and 8,298.54 is: 12,447.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,018.72 : 40,528.22 = 8,298.54 : x
  2. Step 2: Convert to fraction form
    27,018.72/40,528.22 = 8,298.54/x
  3. Step 3: Cross multiply
    27,018.72x = 40,528.22 × 8,298.54
  4. Step 4: Simplify right side
    27,018.72x = 336,325,013.31
  5. Step 5: Solve for x
    x = 336,325,013.31/27,018.72
  6. Step 6: Final answer
    x = 12,447.85

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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.