Home / 22,631.80-33,882-13,839.88

Finding the Fourth Proportional to 22,631.80, 33,882 and 13,839.88

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Solution

The fourth proportional to 22,631.80, 33,882 and 13,839.88 is: 20,719.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,631.80 : 33,882 = 13,839.88 : x
  2. Step 2: Convert to fraction form
    22,631.80/33,882 = 13,839.88/x
  3. Step 3: Cross multiply
    22,631.80x = 33,882 × 13,839.88
  4. Step 4: Simplify right side
    22,631.80x = 468,922,814.16
  5. Step 5: Solve for x
    x = 468,922,814.16/22,631.80
  6. Step 6: Final answer
    x = 20,719.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.