Home / 25,776.09-38,657.82-18,837.84

Finding the Fourth Proportional to 25,776.09, 38,657.82 and 18,837.84

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Solution

The fourth proportional to 25,776.09, 38,657.82 and 18,837.84 is: 28,252.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,776.09 : 38,657.82 = 18,837.84 : x
  2. Step 2: Convert to fraction form
    25,776.09/38,657.82 = 18,837.84/x
  3. Step 3: Cross multiply
    25,776.09x = 38,657.82 × 18,837.84
  4. Step 4: Simplify right side
    25,776.09x = 728,229,827.91
  5. Step 5: Solve for x
    x = 728,229,827.91/25,776.09
  6. Step 6: Final answer
    x = 28,252.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.