Home / 26,540.98-39,810.16-9,899.73

Finding the Fourth Proportional to 26,540.98, 39,810.16 and 9,899.73

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Solution

The fourth proportional to 26,540.98, 39,810.16 and 9,899.73 is: 14,849.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,540.98 : 39,810.16 = 9,899.73 : x
  2. Step 2: Convert to fraction form
    26,540.98/39,810.16 = 9,899.73/x
  3. Step 3: Cross multiply
    26,540.98x = 39,810.16 × 9,899.73
  4. Step 4: Simplify right side
    26,540.98x = 394,109,835.26
  5. Step 5: Solve for x
    x = 394,109,835.26/26,540.98
  6. Step 6: Final answer
    x = 14,849.11

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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.