Home / 28,273.10-42,416.31-8,551.82

Finding the Fourth Proportional to 28,273.10, 42,416.31 and 8,551.82

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Solution

The fourth proportional to 28,273.10, 42,416.31 and 8,551.82 is: 12,829.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,273.10 : 42,416.31 = 8,551.82 : x
  2. Step 2: Convert to fraction form
    28,273.10/42,416.31 = 8,551.82/x
  3. Step 3: Cross multiply
    28,273.10x = 42,416.31 × 8,551.82
  4. Step 4: Simplify right side
    28,273.10x = 362,736,648.18
  5. Step 5: Solve for x
    x = 362,736,648.18/28,273.10
  6. Step 6: Final answer
    x = 12,829.74

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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.