Home / 26,187.80-39,292.20-11,963.01

Finding the Fourth Proportional to 26,187.80, 39,292.20 and 11,963.01

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Solution

The fourth proportional to 26,187.80, 39,292.20 and 11,963.01 is: 17,949.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,187.80 : 39,292.20 = 11,963.01 : x
  2. Step 2: Convert to fraction form
    26,187.80/39,292.20 = 11,963.01/x
  3. Step 3: Cross multiply
    26,187.80x = 39,292.20 × 11,963.01
  4. Step 4: Simplify right side
    26,187.80x = 470,052,981.52
  5. Step 5: Solve for x
    x = 470,052,981.52/26,187.80
  6. Step 6: Final answer
    x = 17,949.31

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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.