Home / 25,997.68-38,999.76-10,203.22

Finding the Fourth Proportional to 25,997.68, 38,999.76 and 10,203.22

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Solution

The fourth proportional to 25,997.68, 38,999.76 and 10,203.22 is: 15,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,997.68 : 38,999.76 = 10,203.22 : x
  2. Step 2: Convert to fraction form
    25,997.68/38,999.76 = 10,203.22/x
  3. Step 3: Cross multiply
    25,997.68x = 38,999.76 × 10,203.22
  4. Step 4: Simplify right side
    25,997.68x = 397,923,131.23
  5. Step 5: Solve for x
    x = 397,923,131.23/25,997.68
  6. Step 6: Final answer
    x = 15,306.10

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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.