Home / 27,810.51-41,720.32-9,085.11

Finding the Fourth Proportional to 27,810.51, 41,720.32 and 9,085.11

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Solution

The fourth proportional to 27,810.51, 41,720.32 and 9,085.11 is: 13,629.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,810.51 : 41,720.32 = 9,085.11 : x
  2. Step 2: Convert to fraction form
    27,810.51/41,720.32 = 9,085.11/x
  3. Step 3: Cross multiply
    27,810.51x = 41,720.32 × 9,085.11
  4. Step 4: Simplify right side
    27,810.51x = 379,033,696.44
  5. Step 5: Solve for x
    x = 379,033,696.44/27,810.51
  6. Step 6: Final answer
    x = 13,629.15

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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.