Home / 25,830.84-38,657.78-17,942.25

Finding the Fourth Proportional to 25,830.84, 38,657.78 and 17,942.25

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Solution

The fourth proportional to 25,830.84, 38,657.78 and 17,942.25 is: 26,851.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,830.84 : 38,657.78 = 17,942.25 : x
  2. Step 2: Convert to fraction form
    25,830.84/38,657.78 = 17,942.25/x
  3. Step 3: Cross multiply
    25,830.84x = 38,657.78 × 17,942.25
  4. Step 4: Simplify right side
    25,830.84x = 693,607,553.21
  5. Step 5: Solve for x
    x = 693,607,553.21/25,830.84
  6. Step 6: Final answer
    x = 26,851.92

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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.