Home / 26,579.30-39,857.00-7,852.80

Finding the Fourth Proportional to 26,579.30, 39,857.00 and 7,852.80

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Solution

The fourth proportional to 26,579.30, 39,857.00 and 7,852.80 is: 11,775.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,579.30 : 39,857.00 = 7,852.80 : x
  2. Step 2: Convert to fraction form
    26,579.30/39,857.00 = 7,852.80/x
  3. Step 3: Cross multiply
    26,579.30x = 39,857.00 × 7,852.80
  4. Step 4: Simplify right side
    26,579.30x = 312,989,159.80
  5. Step 5: Solve for x
    x = 312,989,159.80/26,579.30
  6. Step 6: Final answer
    x = 11,775.68

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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.