Home / 28,202.91-42,305.64-15,713.49

Finding the Fourth Proportional to 28,202.91, 42,305.64 and 15,713.49

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Solution

The fourth proportional to 28,202.91, 42,305.64 and 15,713.49 is: 23,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202.91 : 42,305.64 = 15,713.49 : x
  2. Step 2: Convert to fraction form
    28,202.91/42,305.64 = 15,713.49/x
  3. Step 3: Cross multiply
    28,202.91x = 42,305.64 × 15,713.49
  4. Step 4: Simplify right side
    28,202.91x = 664,769,251.08
  5. Step 5: Solve for x
    x = 664,769,251.08/28,202.91
  6. Step 6: Final answer
    x = 23,570.95

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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.