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Finding the Fourth Proportional to 25,424.88, 35,086.33 and 14,246.88

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Solution

The fourth proportional to 25,424.88, 35,086.33 and 14,246.88 is: 19,660.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,424.88 : 35,086.33 = 14,246.88 : x
  2. Step 2: Convert to fraction form
    25,424.88/35,086.33 = 14,246.88/x
  3. Step 3: Cross multiply
    25,424.88x = 35,086.33 × 14,246.88
  4. Step 4: Simplify right side
    25,424.88x = 499,870,619.39
  5. Step 5: Solve for x
    x = 499,870,619.39/25,424.88
  6. Step 6: Final answer
    x = 19,660.69

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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.