Home / 26,537.40-39,791.70-13,181.10

Finding the Fourth Proportional to 26,537.40, 39,791.70 and 13,181.10

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Solution

The fourth proportional to 26,537.40, 39,791.70 and 13,181.10 is: 19,764.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,537.40 : 39,791.70 = 13,181.10 : x
  2. Step 2: Convert to fraction form
    26,537.40/39,791.70 = 13,181.10/x
  3. Step 3: Cross multiply
    26,537.40x = 39,791.70 × 13,181.10
  4. Step 4: Simplify right side
    26,537.40x = 524,498,376.87
  5. Step 5: Solve for x
    x = 524,498,376.87/26,537.40
  6. Step 6: Final answer
    x = 19,764.50

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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.