Home / 26,260.65-39,361.71-13,782.09

Finding the Fourth Proportional to 26,260.65, 39,361.71 and 13,782.09

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Solution

The fourth proportional to 26,260.65, 39,361.71 and 13,782.09 is: 20,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,260.65 : 39,361.71 = 13,782.09 : x
  2. Step 2: Convert to fraction form
    26,260.65/39,361.71 = 13,782.09/x
  3. Step 3: Cross multiply
    26,260.65x = 39,361.71 × 13,782.09
  4. Step 4: Simplify right side
    26,260.65x = 542,486,629.77
  5. Step 5: Solve for x
    x = 542,486,629.77/26,260.65
  6. Step 6: Final answer
    x = 20,657.78

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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.