Home / 28,627.24-42,949.50-19,304.68

Finding the Fourth Proportional to 28,627.24, 42,949.50 and 19,304.68

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Solution

The fourth proportional to 28,627.24, 42,949.50 and 19,304.68 is: 28,962.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,627.24 : 42,949.50 = 19,304.68 : x
  2. Step 2: Convert to fraction form
    28,627.24/42,949.50 = 19,304.68/x
  3. Step 3: Cross multiply
    28,627.24x = 42,949.50 × 19,304.68
  4. Step 4: Simplify right side
    28,627.24x = 829,126,353.66
  5. Step 5: Solve for x
    x = 829,126,353.66/28,627.24
  6. Step 6: Final answer
    x = 28,962.85

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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.