Home / 27,458.60-41,207.10-11,887.40

Finding the Fourth Proportional to 27,458.60, 41,207.10 and 11,887.40

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Solution

The fourth proportional to 27,458.60, 41,207.10 and 11,887.40 is: 17,839.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,458.60 : 41,207.10 = 11,887.40 : x
  2. Step 2: Convert to fraction form
    27,458.60/41,207.10 = 11,887.40/x
  3. Step 3: Cross multiply
    27,458.60x = 41,207.10 × 11,887.40
  4. Step 4: Simplify right side
    27,458.60x = 489,845,280.54
  5. Step 5: Solve for x
    x = 489,845,280.54/27,458.60
  6. Step 6: Final answer
    x = 17,839.41

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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.