Home / 28,836.19-43,272.51-11,305.56

Finding the Fourth Proportional to 28,836.19, 43,272.51 and 11,305.56

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Solution

The fourth proportional to 28,836.19, 43,272.51 and 11,305.56 is: 16,965.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.19 : 43,272.51 = 11,305.56 : x
  2. Step 2: Convert to fraction form
    28,836.19/43,272.51 = 11,305.56/x
  3. Step 3: Cross multiply
    28,836.19x = 43,272.51 × 11,305.56
  4. Step 4: Simplify right side
    28,836.19x = 489,219,958.16
  5. Step 5: Solve for x
    x = 489,219,958.16/28,836.19
  6. Step 6: Final answer
    x = 16,965.49

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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.