Home / 28,972.60-43,394.10-17,308.60

Finding the Fourth Proportional to 28,972.60, 43,394.10 and 17,308.60

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Solution

The fourth proportional to 28,972.60, 43,394.10 and 17,308.60 is: 25,924.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,972.60 : 43,394.10 = 17,308.60 : x
  2. Step 2: Convert to fraction form
    28,972.60/43,394.10 = 17,308.60/x
  3. Step 3: Cross multiply
    28,972.60x = 43,394.10 × 17,308.60
  4. Step 4: Simplify right side
    28,972.60x = 751,091,119.26
  5. Step 5: Solve for x
    x = 751,091,119.26/28,972.60
  6. Step 6: Final answer
    x = 25,924.19

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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.