Home / 26,243.19-39,364.79-10,660.82

Finding the Fourth Proportional to 26,243.19, 39,364.79 and 10,660.82

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Solution

The fourth proportional to 26,243.19, 39,364.79 and 10,660.82 is: 15,991.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,243.19 : 39,364.79 = 10,660.82 : x
  2. Step 2: Convert to fraction form
    26,243.19/39,364.79 = 10,660.82/x
  3. Step 3: Cross multiply
    26,243.19x = 39,364.79 × 10,660.82
  4. Step 4: Simplify right side
    26,243.19x = 419,660,690.40
  5. Step 5: Solve for x
    x = 419,660,690.40/26,243.19
  6. Step 6: Final answer
    x = 15,991.22

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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.