Home / 26,582.40-39,868.09-11,781.87

Finding the Fourth Proportional to 26,582.40, 39,868.09 and 11,781.87

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Solution

The fourth proportional to 26,582.40, 39,868.09 and 11,781.87 is: 17,670.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,582.40 : 39,868.09 = 11,781.87 : x
  2. Step 2: Convert to fraction form
    26,582.40/39,868.09 = 11,781.87/x
  3. Step 3: Cross multiply
    26,582.40x = 39,868.09 × 11,781.87
  4. Step 4: Simplify right side
    26,582.40x = 469,720,653.53
  5. Step 5: Solve for x
    x = 469,720,653.53/26,582.40
  6. Step 6: Final answer
    x = 17,670.36

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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.