Home / 26,389.44-39,584.88-7,668.72

Finding the Fourth Proportional to 26,389.44, 39,584.88 and 7,668.72

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Solution

The fourth proportional to 26,389.44, 39,584.88 and 7,668.72 is: 11,503.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,389.44 : 39,584.88 = 7,668.72 : x
  2. Step 2: Convert to fraction form
    26,389.44/39,584.88 = 7,668.72/x
  3. Step 3: Cross multiply
    26,389.44x = 39,584.88 × 7,668.72
  4. Step 4: Simplify right side
    26,389.44x = 303,565,360.95
  5. Step 5: Solve for x
    x = 303,565,360.95/26,389.44
  6. Step 6: Final answer
    x = 11,503.29

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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.