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Finding the Fourth Proportional to 25,651.94, 35,409.10 and 15,050.48

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Solution

The fourth proportional to 25,651.94, 35,409.10 and 15,050.48 is: 20,775.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,651.94 : 35,409.10 = 15,050.48 : x
  2. Step 2: Convert to fraction form
    25,651.94/35,409.10 = 15,050.48/x
  3. Step 3: Cross multiply
    25,651.94x = 35,409.10 × 15,050.48
  4. Step 4: Simplify right side
    25,651.94x = 532,923,951.37
  5. Step 5: Solve for x
    x = 532,923,951.37/25,651.94
  6. Step 6: Final answer
    x = 20,775.19

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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.