Home / 27,886.72-41,829.60-7,109.92

Finding the Fourth Proportional to 27,886.72, 41,829.60 and 7,109.92

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Solution

The fourth proportional to 27,886.72, 41,829.60 and 7,109.92 is: 10,664.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,886.72 : 41,829.60 = 7,109.92 : x
  2. Step 2: Convert to fraction form
    27,886.72/41,829.60 = 7,109.92/x
  3. Step 3: Cross multiply
    27,886.72x = 41,829.60 × 7,109.92
  4. Step 4: Simplify right side
    27,886.72x = 297,405,109.63
  5. Step 5: Solve for x
    x = 297,405,109.63/27,886.72
  6. Step 6: Final answer
    x = 10,664.76

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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.