Home / 26,575.43-39,869.69-7,855.38

Finding the Fourth Proportional to 26,575.43, 39,869.69 and 7,855.38

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Solution

The fourth proportional to 26,575.43, 39,869.69 and 7,855.38 is: 11,785.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,575.43 : 39,869.69 = 7,855.38 : x
  2. Step 2: Convert to fraction form
    26,575.43/39,869.69 = 7,855.38/x
  3. Step 3: Cross multiply
    26,575.43x = 39,869.69 × 7,855.38
  4. Step 4: Simplify right side
    26,575.43x = 313,191,526.16
  5. Step 5: Solve for x
    x = 313,191,526.16/26,575.43
  6. Step 6: Final answer
    x = 11,785.01

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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.