Home / 26,402.09-39,578.52-13,239.08

Finding the Fourth Proportional to 26,402.09, 39,578.52 and 13,239.08

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Solution

The fourth proportional to 26,402.09, 39,578.52 and 13,239.08 is: 19,846.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,402.09 : 39,578.52 = 13,239.08 : x
  2. Step 2: Convert to fraction form
    26,402.09/39,578.52 = 13,239.08/x
  3. Step 3: Cross multiply
    26,402.09x = 39,578.52 × 13,239.08
  4. Step 4: Simplify right side
    26,402.09x = 523,982,994.67
  5. Step 5: Solve for x
    x = 523,982,994.67/26,402.09
  6. Step 6: Final answer
    x = 19,846.27

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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.