Home / 26,439.30-39,648.66-13,282.50

Finding the Fourth Proportional to 26,439.30, 39,648.66 and 13,282.50

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Solution

The fourth proportional to 26,439.30, 39,648.66 and 13,282.50 is: 19,918.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,439.30 : 39,648.66 = 13,282.50 : x
  2. Step 2: Convert to fraction form
    26,439.30/39,648.66 = 13,282.50/x
  3. Step 3: Cross multiply
    26,439.30x = 39,648.66 × 13,282.50
  4. Step 4: Simplify right side
    26,439.30x = 526,633,326.45
  5. Step 5: Solve for x
    x = 526,633,326.45/26,439.30
  6. Step 6: Final answer
    x = 19,918.58

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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.