Home / 27,910.56-41,870.36-9,185.16

Finding the Fourth Proportional to 27,910.56, 41,870.36 and 9,185.16

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Solution

The fourth proportional to 27,910.56, 41,870.36 and 9,185.16 is: 13,779.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.56 : 41,870.36 = 9,185.16 : x
  2. Step 2: Convert to fraction form
    27,910.56/41,870.36 = 9,185.16/x
  3. Step 3: Cross multiply
    27,910.56x = 41,870.36 × 9,185.16
  4. Step 4: Simplify right side
    27,910.56x = 384,585,955.86
  5. Step 5: Solve for x
    x = 384,585,955.86/27,910.56
  6. Step 6: Final answer
    x = 13,779.23

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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.