Home / 22,282.40-30,752.80-12,850.76

Finding the Fourth Proportional to 22,282.40, 30,752.80 and 12,850.76

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Solution

The fourth proportional to 22,282.40, 30,752.80 and 12,850.76 is: 17,735.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,282.40 : 30,752.80 = 12,850.76 : x
  2. Step 2: Convert to fraction form
    22,282.40/30,752.80 = 12,850.76/x
  3. Step 3: Cross multiply
    22,282.40x = 30,752.80 × 12,850.76
  4. Step 4: Simplify right side
    22,282.40x = 395,196,852.13
  5. Step 5: Solve for x
    x = 395,196,852.13/22,282.40
  6. Step 6: Final answer
    x = 17,735.83

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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.