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Finding the Fourth Proportional to 25,481.44, 38,050.55 and 20,810.71

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Solution

The fourth proportional to 25,481.44, 38,050.55 and 20,810.71 is: 31,075.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,481.44 : 38,050.55 = 20,810.71 : x
  2. Step 2: Convert to fraction form
    25,481.44/38,050.55 = 20,810.71/x
  3. Step 3: Cross multiply
    25,481.44x = 38,050.55 × 20,810.71
  4. Step 4: Simplify right side
    25,481.44x = 791,859,031.86
  5. Step 5: Solve for x
    x = 791,859,031.86/25,481.44
  6. Step 6: Final answer
    x = 31,075.92

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.