Home / 26,285.31-39,351.42-13,775.67

Finding the Fourth Proportional to 26,285.31, 39,351.42 and 13,775.67

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Solution

The fourth proportional to 26,285.31, 39,351.42 and 13,775.67 is: 20,623.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,285.31 : 39,351.42 = 13,775.67 : x
  2. Step 2: Convert to fraction form
    26,285.31/39,351.42 = 13,775.67/x
  3. Step 3: Cross multiply
    26,285.31x = 39,351.42 × 13,775.67
  4. Step 4: Simplify right side
    26,285.31x = 542,092,175.95
  5. Step 5: Solve for x
    x = 542,092,175.95/26,285.31
  6. Step 6: Final answer
    x = 20,623.39

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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.