Home / 27,905.31-41,865.21-9,188.25

Finding the Fourth Proportional to 27,905.31, 41,865.21 and 9,188.25

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Solution

The fourth proportional to 27,905.31, 41,865.21 and 9,188.25 is: 13,784.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,905.31 : 41,865.21 = 9,188.25 : x
  2. Step 2: Convert to fraction form
    27,905.31/41,865.21 = 9,188.25/x
  3. Step 3: Cross multiply
    27,905.31x = 41,865.21 × 9,188.25
  4. Step 4: Simplify right side
    27,905.31x = 384,668,015.78
  5. Step 5: Solve for x
    x = 384,668,015.78/27,905.31
  6. Step 6: Final answer
    x = 13,784.76

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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.