Home / 25,135.10-37,667.11-19,846.81

Finding the Fourth Proportional to 25,135.10, 37,667.11 and 19,846.81

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Solution

The fourth proportional to 25,135.10, 37,667.11 and 19,846.81 is: 29,742.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,135.10 : 37,667.11 = 19,846.81 : x
  2. Step 2: Convert to fraction form
    25,135.10/37,667.11 = 19,846.81/x
  3. Step 3: Cross multiply
    25,135.10x = 37,667.11 × 19,846.81
  4. Step 4: Simplify right side
    25,135.10x = 747,571,975.42
  5. Step 5: Solve for x
    x = 747,571,975.42/25,135.10
  6. Step 6: Final answer
    x = 29,742.15

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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.