Home / 27,238.96-40,857.60-7,518.72

Finding the Fourth Proportional to 27,238.96, 40,857.60 and 7,518.72

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Solution

The fourth proportional to 27,238.96, 40,857.60 and 7,518.72 is: 11,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,238.96 : 40,857.60 = 7,518.72 : x
  2. Step 2: Convert to fraction form
    27,238.96/40,857.60 = 7,518.72/x
  3. Step 3: Cross multiply
    27,238.96x = 40,857.60 × 7,518.72
  4. Step 4: Simplify right side
    27,238.96x = 307,196,854.27
  5. Step 5: Solve for x
    x = 307,196,854.27/27,238.96
  6. Step 6: Final answer
    x = 11,277.85

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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.