Home / 25,909.85-38,857.48-7,185.35

Finding the Fourth Proportional to 25,909.85, 38,857.48 and 7,185.35

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Solution

The fourth proportional to 25,909.85, 38,857.48 and 7,185.35 is: 10,776.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,909.85 : 38,857.48 = 7,185.35 : x
  2. Step 2: Convert to fraction form
    25,909.85/38,857.48 = 7,185.35/x
  3. Step 3: Cross multiply
    25,909.85x = 38,857.48 × 7,185.35
  4. Step 4: Simplify right side
    25,909.85x = 279,204,593.92
  5. Step 5: Solve for x
    x = 279,204,593.92/25,909.85
  6. Step 6: Final answer
    x = 10,776.00

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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.