Home / 27,840.36-41,763.28-9,119.64

Finding the Fourth Proportional to 27,840.36, 41,763.28 and 9,119.64

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Solution

The fourth proportional to 27,840.36, 41,763.28 and 9,119.64 is: 13,680.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,840.36 : 41,763.28 = 9,119.64 : x
  2. Step 2: Convert to fraction form
    27,840.36/41,763.28 = 9,119.64/x
  3. Step 3: Cross multiply
    27,840.36x = 41,763.28 × 9,119.64
  4. Step 4: Simplify right side
    27,840.36x = 380,866,078.82
  5. Step 5: Solve for x
    x = 380,866,078.82/27,840.36
  6. Step 6: Final answer
    x = 13,680.36

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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.