Home / 26,666.45-39,968.88-10,015.85

Finding the Fourth Proportional to 26,666.45, 39,968.88 and 10,015.85

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Solution

The fourth proportional to 26,666.45, 39,968.88 and 10,015.85 is: 15,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,666.45 : 39,968.88 = 10,015.85 : x
  2. Step 2: Convert to fraction form
    26,666.45/39,968.88 = 10,015.85/x
  3. Step 3: Cross multiply
    26,666.45x = 39,968.88 × 10,015.85
  4. Step 4: Simplify right side
    26,666.45x = 400,322,369.11
  5. Step 5: Solve for x
    x = 400,322,369.11/26,666.45
  6. Step 6: Final answer
    x = 15,012.21

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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.