Home / 26,519.06-39,776.50-15,418.66

Finding the Fourth Proportional to 26,519.06, 39,776.50 and 15,418.66

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Solution

The fourth proportional to 26,519.06, 39,776.50 and 15,418.66 is: 23,126.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,519.06 : 39,776.50 = 15,418.66 : x
  2. Step 2: Convert to fraction form
    26,519.06/39,776.50 = 15,418.66/x
  3. Step 3: Cross multiply
    26,519.06x = 39,776.50 × 15,418.66
  4. Step 4: Simplify right side
    26,519.06x = 613,300,329.49
  5. Step 5: Solve for x
    x = 613,300,329.49/26,519.06
  6. Step 6: Final answer
    x = 23,126.77

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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.