Home / 25,381.68-38,072.78-11,342.44

Finding the Fourth Proportional to 25,381.68, 38,072.78 and 11,342.44

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Solution

The fourth proportional to 25,381.68, 38,072.78 and 11,342.44 is: 17,013.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,381.68 : 38,072.78 = 11,342.44 : x
  2. Step 2: Convert to fraction form
    25,381.68/38,072.78 = 11,342.44/x
  3. Step 3: Cross multiply
    25,381.68x = 38,072.78 × 11,342.44
  4. Step 4: Simplify right side
    25,381.68x = 431,838,222.78
  5. Step 5: Solve for x
    x = 431,838,222.78/25,381.68
  6. Step 6: Final answer
    x = 17,013.78

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1.5x scale

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.