Home / 25,212.21-34,793.67-13,882.87

Finding the Fourth Proportional to 25,212.21, 34,793.67 and 13,882.87

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Solution

The fourth proportional to 25,212.21, 34,793.67 and 13,882.87 is: 19,158.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,212.21 : 34,793.67 = 13,882.87 : x
  2. Step 2: Convert to fraction form
    25,212.21/34,793.67 = 13,882.87/x
  3. Step 3: Cross multiply
    25,212.21x = 34,793.67 × 13,882.87
  4. Step 4: Simplify right side
    25,212.21x = 483,035,997.43
  5. Step 5: Solve for x
    x = 483,035,997.43/25,212.21
  6. Step 6: Final answer
    x = 19,158.81

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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.