Home / 25,781.83-38,636.26-10,975.84

Finding the Fourth Proportional to 25,781.83, 38,636.26 and 10,975.84

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Solution

The fourth proportional to 25,781.83, 38,636.26 and 10,975.84 is: 16,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,781.83 : 38,636.26 = 10,975.84 : x
  2. Step 2: Convert to fraction form
    25,781.83/38,636.26 = 10,975.84/x
  3. Step 3: Cross multiply
    25,781.83x = 38,636.26 × 10,975.84
  4. Step 4: Simplify right side
    25,781.83x = 424,065,283.93
  5. Step 5: Solve for x
    x = 424,065,283.93/25,781.83
  6. Step 6: Final answer
    x = 16,448.22

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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.