Home / 27,957.06-41,918.22-13,169.70

Finding the Fourth Proportional to 27,957.06, 41,918.22 and 13,169.70

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Solution

The fourth proportional to 27,957.06, 41,918.22 and 13,169.70 is: 19,746.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,957.06 : 41,918.22 = 13,169.70 : x
  2. Step 2: Convert to fraction form
    27,957.06/41,918.22 = 13,169.70/x
  3. Step 3: Cross multiply
    27,957.06x = 41,918.22 × 13,169.70
  4. Step 4: Simplify right side
    27,957.06x = 552,050,381.93
  5. Step 5: Solve for x
    x = 552,050,381.93/27,957.06
  6. Step 6: Final answer
    x = 19,746.37

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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.