Home / 26,221.68-39,317.94-8,681.94

Finding the Fourth Proportional to 26,221.68, 39,317.94 and 8,681.94

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Solution

The fourth proportional to 26,221.68, 39,317.94 and 8,681.94 is: 13,018.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,221.68 : 39,317.94 = 8,681.94 : x
  2. Step 2: Convert to fraction form
    26,221.68/39,317.94 = 8,681.94/x
  3. Step 3: Cross multiply
    26,221.68x = 39,317.94 × 8,681.94
  4. Step 4: Simplify right side
    26,221.68x = 341,355,996.00
  5. Step 5: Solve for x
    x = 341,355,996.00/26,221.68
  6. Step 6: Final answer
    x = 13,018.08

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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.