Home / 27,639.75-41,459.44-7,918.38

Finding the Fourth Proportional to 27,639.75, 41,459.44 and 7,918.38

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Solution

The fourth proportional to 27,639.75, 41,459.44 and 7,918.38 is: 11,877.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639.75 : 41,459.44 = 7,918.38 : x
  2. Step 2: Convert to fraction form
    27,639.75/41,459.44 = 7,918.38/x
  3. Step 3: Cross multiply
    27,639.75x = 41,459.44 × 7,918.38
  4. Step 4: Simplify right side
    27,639.75x = 328,291,600.51
  5. Step 5: Solve for x
    x = 328,291,600.51/27,639.75
  6. Step 6: Final answer
    x = 11,877.52

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1.5x scale

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.