Home / 28,441.32-42,671.22-18,599.88

Finding the Fourth Proportional to 28,441.32, 42,671.22 and 18,599.88

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Solution

The fourth proportional to 28,441.32, 42,671.22 and 18,599.88 is: 27,905.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441.32 : 42,671.22 = 18,599.88 : x
  2. Step 2: Convert to fraction form
    28,441.32/42,671.22 = 18,599.88/x
  3. Step 3: Cross multiply
    28,441.32x = 42,671.22 × 18,599.88
  4. Step 4: Simplify right side
    28,441.32x = 793,679,571.45
  5. Step 5: Solve for x
    x = 793,679,571.45/28,441.32
  6. Step 6: Final answer
    x = 27,905.86

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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.