Home / 26,005.76-39,012.48-8,469.92

Finding the Fourth Proportional to 26,005.76, 39,012.48 and 8,469.92

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Solution

The fourth proportional to 26,005.76, 39,012.48 and 8,469.92 is: 12,706.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,005.76 : 39,012.48 = 8,469.92 : x
  2. Step 2: Convert to fraction form
    26,005.76/39,012.48 = 8,469.92/x
  3. Step 3: Cross multiply
    26,005.76x = 39,012.48 × 8,469.92
  4. Step 4: Simplify right side
    26,005.76x = 330,432,584.60
  5. Step 5: Solve for x
    x = 330,432,584.60/26,005.76
  6. Step 6: Final answer
    x = 12,706.13

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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.