Home / 26,107.80-39,140.10-13,795.80

Finding the Fourth Proportional to 26,107.80, 39,140.10 and 13,795.80

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Solution

The fourth proportional to 26,107.80, 39,140.10 and 13,795.80 is: 20,682.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,107.80 : 39,140.10 = 13,795.80 : x
  2. Step 2: Convert to fraction form
    26,107.80/39,140.10 = 13,795.80/x
  3. Step 3: Cross multiply
    26,107.80x = 39,140.10 × 13,795.80
  4. Step 4: Simplify right side
    26,107.80x = 539,968,991.58
  5. Step 5: Solve for x
    x = 539,968,991.58/26,107.80
  6. Step 6: Final answer
    x = 20,682.29

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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.