Home / 19,839.96-27,379.08-10,887.48

Finding the Fourth Proportional to 19,839.96, 27,379.08 and 10,887.48

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Solution

The fourth proportional to 19,839.96, 27,379.08 and 10,887.48 is: 15,024.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.96 : 27,379.08 = 10,887.48 : x
  2. Step 2: Convert to fraction form
    19,839.96/27,379.08 = 10,887.48/x
  3. Step 3: Cross multiply
    19,839.96x = 27,379.08 × 10,887.48
  4. Step 4: Simplify right side
    19,839.96x = 298,089,185.92
  5. Step 5: Solve for x
    x = 298,089,185.92/19,839.96
  6. Step 6: Final answer
    x = 15,024.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.