Home / 26,509.62-39,751.72-15,419.28

Finding the Fourth Proportional to 26,509.62, 39,751.72 and 15,419.28

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Solution

The fourth proportional to 26,509.62, 39,751.72 and 15,419.28 is: 23,121.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,509.62 : 39,751.72 = 15,419.28 : x
  2. Step 2: Convert to fraction form
    26,509.62/39,751.72 = 15,419.28/x
  3. Step 3: Cross multiply
    26,509.62x = 39,751.72 × 15,419.28
  4. Step 4: Simplify right side
    26,509.62x = 612,942,901.16
  5. Step 5: Solve for x
    x = 612,942,901.16/26,509.62
  6. Step 6: Final answer
    x = 23,121.53

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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.