Home / 26,469.06-39,666.33-20,897.88

Finding the Fourth Proportional to 26,469.06, 39,666.33 and 20,897.88

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Solution

The fourth proportional to 26,469.06, 39,666.33 and 20,897.88 is: 31,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,469.06 : 39,666.33 = 20,897.88 : x
  2. Step 2: Convert to fraction form
    26,469.06/39,666.33 = 20,897.88/x
  3. Step 3: Cross multiply
    26,469.06x = 39,666.33 × 20,897.88
  4. Step 4: Simplify right side
    26,469.06x = 828,942,204.38
  5. Step 5: Solve for x
    x = 828,942,204.38/26,469.06
  6. Step 6: Final answer
    x = 31,317.40

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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.