Home / 28,244.28-42,367.74-12,672.84

Finding the Fourth Proportional to 28,244.28, 42,367.74 and 12,672.84

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Solution

The fourth proportional to 28,244.28, 42,367.74 and 12,672.84 is: 19,009.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.28 : 42,367.74 = 12,672.84 : x
  2. Step 2: Convert to fraction form
    28,244.28/42,367.74 = 12,672.84/x
  3. Step 3: Cross multiply
    28,244.28x = 42,367.74 × 12,672.84
  4. Step 4: Simplify right side
    28,244.28x = 536,919,590.18
  5. Step 5: Solve for x
    x = 536,919,590.18/28,244.28
  6. Step 6: Final answer
    x = 19,009.85

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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.