Home / 26,992.78-37,250.10-15,055.90

Finding the Fourth Proportional to 26,992.78, 37,250.10 and 15,055.90

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Solution

The fourth proportional to 26,992.78, 37,250.10 and 15,055.90 is: 20,777.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,992.78 : 37,250.10 = 15,055.90 : x
  2. Step 2: Convert to fraction form
    26,992.78/37,250.10 = 15,055.90/x
  3. Step 3: Cross multiply
    26,992.78x = 37,250.10 × 15,055.90
  4. Step 4: Simplify right side
    26,992.78x = 560,833,780.59
  5. Step 5: Solve for x
    x = 560,833,780.59/26,992.78
  6. Step 6: Final answer
    x = 20,777.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.