Home / 27,981.51-41,968.35-11,341.53

Finding the Fourth Proportional to 27,981.51, 41,968.35 and 11,341.53

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Solution

The fourth proportional to 27,981.51, 41,968.35 and 11,341.53 is: 17,010.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981.51 : 41,968.35 = 11,341.53 : x
  2. Step 2: Convert to fraction form
    27,981.51/41,968.35 = 11,341.53/x
  3. Step 3: Cross multiply
    27,981.51x = 41,968.35 × 11,341.53
  4. Step 4: Simplify right side
    27,981.51x = 475,985,300.58
  5. Step 5: Solve for x
    x = 475,985,300.58/27,981.51
  6. Step 6: Final answer
    x = 17,010.71

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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.