Home / 28,141.83-42,212.81-11,282.49

Finding the Fourth Proportional to 28,141.83, 42,212.81 and 11,282.49

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Solution

The fourth proportional to 28,141.83, 42,212.81 and 11,282.49 is: 16,923.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,141.83 : 42,212.81 = 11,282.49 : x
  2. Step 2: Convert to fraction form
    28,141.83/42,212.81 = 11,282.49/x
  3. Step 3: Cross multiply
    28,141.83x = 42,212.81 × 11,282.49
  4. Step 4: Simplify right side
    28,141.83x = 476,265,634.90
  5. Step 5: Solve for x
    x = 476,265,634.90/28,141.83
  6. Step 6: Final answer
    x = 16,923.76

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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.