Home / 26,083.80-39,111.30-11,290.20

Finding the Fourth Proportional to 26,083.80, 39,111.30 and 11,290.20

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Solution

The fourth proportional to 26,083.80, 39,111.30 and 11,290.20 is: 16,929.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,083.80 : 39,111.30 = 11,290.20 : x
  2. Step 2: Convert to fraction form
    26,083.80/39,111.30 = 11,290.20/x
  3. Step 3: Cross multiply
    26,083.80x = 39,111.30 × 11,290.20
  4. Step 4: Simplify right side
    26,083.80x = 441,574,399.26
  5. Step 5: Solve for x
    x = 441,574,399.26/26,083.80
  6. Step 6: Final answer
    x = 16,929.07

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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.