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Finding the Fourth Proportional to 25,903.76, 35,745.72 and 14,573.73

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Solution

The fourth proportional to 25,903.76, 35,745.72 and 14,573.73 is: 20,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,903.76 : 35,745.72 = 14,573.73 : x
  2. Step 2: Convert to fraction form
    25,903.76/35,745.72 = 14,573.73/x
  3. Step 3: Cross multiply
    25,903.76x = 35,745.72 × 14,573.73
  4. Step 4: Simplify right side
    25,903.76x = 520,948,471.94
  5. Step 5: Solve for x
    x = 520,948,471.94/25,903.76
  6. Step 6: Final answer
    x = 20,110.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.