Home / 26,231.63-39,351.78-10,436.81

Finding the Fourth Proportional to 26,231.63, 39,351.78 and 10,436.81

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Solution

The fourth proportional to 26,231.63, 39,351.78 and 10,436.81 is: 15,656.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,231.63 : 39,351.78 = 10,436.81 : x
  2. Step 2: Convert to fraction form
    26,231.63/39,351.78 = 10,436.81/x
  3. Step 3: Cross multiply
    26,231.63x = 39,351.78 × 10,436.81
  4. Step 4: Simplify right side
    26,231.63x = 410,706,854.26
  5. Step 5: Solve for x
    x = 410,706,854.26/26,231.63
  6. Step 6: Final answer
    x = 15,656.94

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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.