Home / 26,601.89-39,897.23-7,882.09

Finding the Fourth Proportional to 26,601.89, 39,897.23 and 7,882.09

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Solution

The fourth proportional to 26,601.89, 39,897.23 and 7,882.09 is: 11,821.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,601.89 : 39,897.23 = 7,882.09 : x
  2. Step 2: Convert to fraction form
    26,601.89/39,897.23 = 7,882.09/x
  3. Step 3: Cross multiply
    26,601.89x = 39,897.23 × 7,882.09
  4. Step 4: Simplify right side
    26,601.89x = 314,473,358.12
  5. Step 5: Solve for x
    x = 314,473,358.12/26,601.89
  6. Step 6: Final answer
    x = 11,821.47

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1.5x scale

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.