Home / 28,626.36-42,910.21-11,996.02

Finding the Fourth Proportional to 28,626.36, 42,910.21 and 11,996.02

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Solution

The fourth proportional to 28,626.36, 42,910.21 and 11,996.02 is: 17,981.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,626.36 : 42,910.21 = 11,996.02 : x
  2. Step 2: Convert to fraction form
    28,626.36/42,910.21 = 11,996.02/x
  3. Step 3: Cross multiply
    28,626.36x = 42,910.21 × 11,996.02
  4. Step 4: Simplify right side
    28,626.36x = 514,751,737.36
  5. Step 5: Solve for x
    x = 514,751,737.36/28,626.36
  6. Step 6: Final answer
    x = 17,981.74

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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.