Home / 25,759.63-38,633.19-7,039.75

Finding the Fourth Proportional to 25,759.63, 38,633.19 and 7,039.75

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Solution

The fourth proportional to 25,759.63, 38,633.19 and 7,039.75 is: 10,557.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,759.63 : 38,633.19 = 7,039.75 : x
  2. Step 2: Convert to fraction form
    25,759.63/38,633.19 = 7,039.75/x
  3. Step 3: Cross multiply
    25,759.63x = 38,633.19 × 7,039.75
  4. Step 4: Simplify right side
    25,759.63x = 271,967,999.30
  5. Step 5: Solve for x
    x = 271,967,999.30/25,759.63
  6. Step 6: Final answer
    x = 10,557.92

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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.