Home / 24,479.62-33,780.85-13,869.84

Finding the Fourth Proportional to 24,479.62, 33,780.85 and 13,869.84

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Solution

The fourth proportional to 24,479.62, 33,780.85 and 13,869.84 is: 19,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,479.62 : 33,780.85 = 13,869.84 : x
  2. Step 2: Convert to fraction form
    24,479.62/33,780.85 = 13,869.84/x
  3. Step 3: Cross multiply
    24,479.62x = 33,780.85 × 13,869.84
  4. Step 4: Simplify right side
    24,479.62x = 468,534,984.56
  5. Step 5: Solve for x
    x = 468,534,984.56/24,479.62
  6. Step 6: Final answer
    x = 19,139.80

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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.