Home / 27,877.49-41,831.12-13,086.54

Finding the Fourth Proportional to 27,877.49, 41,831.12 and 13,086.54

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Solution

The fourth proportional to 27,877.49, 41,831.12 and 13,086.54 is: 19,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,877.49 : 41,831.12 = 13,086.54 : x
  2. Step 2: Convert to fraction form
    27,877.49/41,831.12 = 13,086.54/x
  3. Step 3: Cross multiply
    27,877.49x = 41,831.12 × 13,086.54
  4. Step 4: Simplify right side
    27,877.49x = 547,424,625.12
  5. Step 5: Solve for x
    x = 547,424,625.12/27,877.49
  6. Step 6: Final answer
    x = 19,636.80

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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.