Home / 26,195.15-39,300.44-15,109.79

Finding the Fourth Proportional to 26,195.15, 39,300.44 and 15,109.79

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Solution

The fourth proportional to 26,195.15, 39,300.44 and 15,109.79 is: 22,669.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,195.15 : 39,300.44 = 15,109.79 : x
  2. Step 2: Convert to fraction form
    26,195.15/39,300.44 = 15,109.79/x
  3. Step 3: Cross multiply
    26,195.15x = 39,300.44 × 15,109.79
  4. Step 4: Simplify right side
    26,195.15x = 593,821,123.26
  5. Step 5: Solve for x
    x = 593,821,123.26/26,195.15
  6. Step 6: Final answer
    x = 22,669.13

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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.