Home / 27,428.75-41,118.48-9,894.47

Finding the Fourth Proportional to 27,428.75, 41,118.48 and 9,894.47

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Solution

The fourth proportional to 27,428.75, 41,118.48 and 9,894.47 is: 14,832.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,428.75 : 41,118.48 = 9,894.47 : x
  2. Step 2: Convert to fraction form
    27,428.75/41,118.48 = 9,894.47/x
  3. Step 3: Cross multiply
    27,428.75x = 41,118.48 × 9,894.47
  4. Step 4: Simplify right side
    27,428.75x = 406,845,669.60
  5. Step 5: Solve for x
    x = 406,845,669.60/27,428.75
  6. Step 6: Final answer
    x = 14,832.82

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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.