Home / 26,477.15-39,720.62-8,708.79

Finding the Fourth Proportional to 26,477.15, 39,720.62 and 8,708.79

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Solution

The fourth proportional to 26,477.15, 39,720.62 and 8,708.79 is: 13,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,477.15 : 39,720.62 = 8,708.79 : x
  2. Step 2: Convert to fraction form
    26,477.15/39,720.62 = 8,708.79/x
  3. Step 3: Cross multiply
    26,477.15x = 39,720.62 × 8,708.79
  4. Step 4: Simplify right side
    26,477.15x = 345,918,494.71
  5. Step 5: Solve for x
    x = 345,918,494.71/26,477.15
  6. Step 6: Final answer
    x = 13,064.80

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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.