Home / 26,668.06-40,001.60-7,960.79

Finding the Fourth Proportional to 26,668.06, 40,001.60 and 7,960.79

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Solution

The fourth proportional to 26,668.06, 40,001.60 and 7,960.79 is: 11,941.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,668.06 : 40,001.60 = 7,960.79 : x
  2. Step 2: Convert to fraction form
    26,668.06/40,001.60 = 7,960.79/x
  3. Step 3: Cross multiply
    26,668.06x = 40,001.60 × 7,960.79
  4. Step 4: Simplify right side
    26,668.06x = 318,444,297.46
  5. Step 5: Solve for x
    x = 318,444,297.46/26,668.06
  6. Step 6: Final answer
    x = 11,941.04

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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.