Home / 25,893.88-38,808.22-11,085.28

Finding the Fourth Proportional to 25,893.88, 38,808.22 and 11,085.28

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Solution

The fourth proportional to 25,893.88, 38,808.22 and 11,085.28 is: 16,613.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,893.88 : 38,808.22 = 11,085.28 : x
  2. Step 2: Convert to fraction form
    25,893.88/38,808.22 = 11,085.28/x
  3. Step 3: Cross multiply
    25,893.88x = 38,808.22 × 11,085.28
  4. Step 4: Simplify right side
    25,893.88x = 430,199,985.00
  5. Step 5: Solve for x
    x = 430,199,985.00/25,893.88
  6. Step 6: Final answer
    x = 16,613.96

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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.