Home / 26,389.44-39,588.96-8,859.36

Finding the Fourth Proportional to 26,389.44, 39,588.96 and 8,859.36

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Solution

The fourth proportional to 26,389.44, 39,588.96 and 8,859.36 is: 13,290.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,389.44 : 39,588.96 = 8,859.36 : x
  2. Step 2: Convert to fraction form
    26,389.44/39,588.96 = 8,859.36/x
  3. Step 3: Cross multiply
    26,389.44x = 39,588.96 × 8,859.36
  4. Step 4: Simplify right side
    26,389.44x = 350,732,848.67
  5. Step 5: Solve for x
    x = 350,732,848.67/26,389.44
  6. Step 6: Final answer
    x = 13,290.65

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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.