Home / 26,068.36-39,072.30-20,206.12

Finding the Fourth Proportional to 26,068.36, 39,072.30 and 20,206.12

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Solution

The fourth proportional to 26,068.36, 39,072.30 and 20,206.12 is: 30,285.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,068.36 : 39,072.30 = 20,206.12 : x
  2. Step 2: Convert to fraction form
    26,068.36/39,072.30 = 20,206.12/x
  3. Step 3: Cross multiply
    26,068.36x = 39,072.30 × 20,206.12
  4. Step 4: Simplify right side
    26,068.36x = 789,499,582.48
  5. Step 5: Solve for x
    x = 789,499,582.48/26,068.36
  6. Step 6: Final answer
    x = 30,285.74

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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.