Home / 26,020.80-39,002.40-11,227.20

Finding the Fourth Proportional to 26,020.80, 39,002.40 and 11,227.20

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Solution

The fourth proportional to 26,020.80, 39,002.40 and 11,227.20 is: 16,828.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,020.80 : 39,002.40 = 11,227.20 : x
  2. Step 2: Convert to fraction form
    26,020.80/39,002.40 = 11,227.20/x
  3. Step 3: Cross multiply
    26,020.80x = 39,002.40 × 11,227.20
  4. Step 4: Simplify right side
    26,020.80x = 437,887,745.28
  5. Step 5: Solve for x
    x = 437,887,745.28/26,020.80
  6. Step 6: Final answer
    x = 16,828.37

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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.