Home / 28,876.60-43,314.90-27,148.60

Finding the Fourth Proportional to 28,876.60, 43,314.90 and 27,148.60

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Solution

The fourth proportional to 28,876.60, 43,314.90 and 27,148.60 is: 40,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876.60 : 43,314.90 = 27,148.60 : x
  2. Step 2: Convert to fraction form
    28,876.60/43,314.90 = 27,148.60/x
  3. Step 3: Cross multiply
    28,876.60x = 43,314.90 × 27,148.60
  4. Step 4: Simplify right side
    28,876.60x = 1,175,938,894.14
  5. Step 5: Solve for x
    x = 1,175,938,894.14/28,876.60
  6. Step 6: Final answer
    x = 40,722.90

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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.