Home / 26,019.28-39,028.80-8,489.04

Finding the Fourth Proportional to 26,019.28, 39,028.80 and 8,489.04

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Solution

The fourth proportional to 26,019.28, 39,028.80 and 8,489.04 is: 12,733.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,019.28 : 39,028.80 = 8,489.04 : x
  2. Step 2: Convert to fraction form
    26,019.28/39,028.80 = 8,489.04/x
  3. Step 3: Cross multiply
    26,019.28x = 39,028.80 × 8,489.04
  4. Step 4: Simplify right side
    26,019.28x = 331,317,044.35
  5. Step 5: Solve for x
    x = 331,317,044.35/26,019.28
  6. Step 6: Final answer
    x = 12,733.52

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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.