Home / 27,534.15-41,302.80-7,811.16

Finding the Fourth Proportional to 27,534.15, 41,302.80 and 7,811.16

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Solution

The fourth proportional to 27,534.15, 41,302.80 and 7,811.16 is: 11,717.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,534.15 : 41,302.80 = 7,811.16 : x
  2. Step 2: Convert to fraction form
    27,534.15/41,302.80 = 7,811.16/x
  3. Step 3: Cross multiply
    27,534.15x = 41,302.80 × 7,811.16
  4. Step 4: Simplify right side
    27,534.15x = 322,622,779.25
  5. Step 5: Solve for x
    x = 322,622,779.25/27,534.15
  6. Step 6: Final answer
    x = 11,717.19

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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.