Home / 20,011.58-27,625.62-12,852.18

Finding the Fourth Proportional to 20,011.58, 27,625.62 and 12,852.18

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Solution

The fourth proportional to 20,011.58, 27,625.62 and 12,852.18 is: 17,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.58 : 27,625.62 = 12,852.18 : x
  2. Step 2: Convert to fraction form
    20,011.58/27,625.62 = 12,852.18/x
  3. Step 3: Cross multiply
    20,011.58x = 27,625.62 × 12,852.18
  4. Step 4: Simplify right side
    20,011.58x = 355,049,489.05
  5. Step 5: Solve for x
    x = 355,049,489.05/20,011.58
  6. Step 6: Final answer
    x = 17,742.20

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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.