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Finding the Fourth Proportional to 24,489.68, 33,794.55 and 13,879.49

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Solution

The fourth proportional to 24,489.68, 33,794.55 and 13,879.49 is: 19,153.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,489.68 : 33,794.55 = 13,879.49 : x
  2. Step 2: Convert to fraction form
    24,489.68/33,794.55 = 13,879.49/x
  3. Step 3: Cross multiply
    24,489.68x = 33,794.55 × 13,879.49
  4. Step 4: Simplify right side
    24,489.68x = 469,050,949.81
  5. Step 5: Solve for x
    x = 469,050,949.81/24,489.68
  6. Step 6: Final answer
    x = 19,153.01

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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.