Home / 15,723.60-23,577.30-5,857.80

Finding the Fourth Proportional to 15,723.60, 23,577.30 and 5,857.80

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Solution

The fourth proportional to 15,723.60, 23,577.30 and 5,857.80 is: 8,783.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,723.60 : 23,577.30 = 5,857.80 : x
  2. Step 2: Convert to fraction form
    15,723.60/23,577.30 = 5,857.80/x
  3. Step 3: Cross multiply
    15,723.60x = 23,577.30 × 5,857.80
  4. Step 4: Simplify right side
    15,723.60x = 138,111,107.94
  5. Step 5: Solve for x
    x = 138,111,107.94/15,723.60
  6. Step 6: Final answer
    x = 8,783.68

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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.