Home / 25,851.24-38,781.41-13,367.87

Finding the Fourth Proportional to 25,851.24, 38,781.41 and 13,367.87

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Solution

The fourth proportional to 25,851.24, 38,781.41 and 13,367.87 is: 20,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.24 : 38,781.41 = 13,367.87 : x
  2. Step 2: Convert to fraction form
    25,851.24/38,781.41 = 13,367.87/x
  3. Step 3: Cross multiply
    25,851.24x = 38,781.41 × 13,367.87
  4. Step 4: Simplify right side
    25,851.24x = 518,424,586.55
  5. Step 5: Solve for x
    x = 518,424,586.55/25,851.24
  6. Step 6: Final answer
    x = 20,054.15

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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.