Home / 27,629.51-41,386.04-12,649.26

Finding the Fourth Proportional to 27,629.51, 41,386.04 and 12,649.26

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Solution

The fourth proportional to 27,629.51, 41,386.04 and 12,649.26 is: 18,947.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.51 : 41,386.04 = 12,649.26 : x
  2. Step 2: Convert to fraction form
    27,629.51/41,386.04 = 12,649.26/x
  3. Step 3: Cross multiply
    27,629.51x = 41,386.04 × 12,649.26
  4. Step 4: Simplify right side
    27,629.51x = 523,502,919.72
  5. Step 5: Solve for x
    x = 523,502,919.72/27,629.51
  6. Step 6: Final answer
    x = 18,947.24

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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.