Home / 26,021.31-39,027.53-9,378.03

Finding the Fourth Proportional to 26,021.31, 39,027.53 and 9,378.03

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Solution

The fourth proportional to 26,021.31, 39,027.53 and 9,378.03 is: 14,065.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,021.31 : 39,027.53 = 9,378.03 : x
  2. Step 2: Convert to fraction form
    26,021.31/39,027.53 = 9,378.03/x
  3. Step 3: Cross multiply
    26,021.31x = 39,027.53 × 9,378.03
  4. Step 4: Simplify right side
    26,021.31x = 366,001,300.28
  5. Step 5: Solve for x
    x = 366,001,300.28/26,021.31
  6. Step 6: Final answer
    x = 14,065.44

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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.