Home / 26,622.92-39,920.38-7,900.36

Finding the Fourth Proportional to 26,622.92, 39,920.38 and 7,900.36

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Solution

The fourth proportional to 26,622.92, 39,920.38 and 7,900.36 is: 11,846.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,622.92 : 39,920.38 = 7,900.36 : x
  2. Step 2: Convert to fraction form
    26,622.92/39,920.38 = 7,900.36/x
  3. Step 3: Cross multiply
    26,622.92x = 39,920.38 × 7,900.36
  4. Step 4: Simplify right side
    26,622.92x = 315,385,373.34
  5. Step 5: Solve for x
    x = 315,385,373.34/26,622.92
  6. Step 6: Final answer
    x = 11,846.39

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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.