Home / 28,892.90-43,335.63-9,171.68

Finding the Fourth Proportional to 28,892.90, 43,335.63 and 9,171.68

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Solution

The fourth proportional to 28,892.90, 43,335.63 and 9,171.68 is: 13,756.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,892.90 : 43,335.63 = 9,171.68 : x
  2. Step 2: Convert to fraction form
    28,892.90/43,335.63 = 9,171.68/x
  3. Step 3: Cross multiply
    28,892.90x = 43,335.63 × 9,171.68
  4. Step 4: Simplify right side
    28,892.90x = 397,460,530.96
  5. Step 5: Solve for x
    x = 397,460,530.96/28,892.90
  6. Step 6: Final answer
    x = 13,756.34

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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.