Home / 28,531.53-39,375.59-15,960.33

Finding the Fourth Proportional to 28,531.53, 39,375.59 and 15,960.33

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Solution

The fourth proportional to 28,531.53, 39,375.59 and 15,960.33 is: 22,026.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,531.53 : 39,375.59 = 15,960.33 : x
  2. Step 2: Convert to fraction form
    28,531.53/39,375.59 = 15,960.33/x
  3. Step 3: Cross multiply
    28,531.53x = 39,375.59 × 15,960.33
  4. Step 4: Simplify right side
    28,531.53x = 628,447,410.34
  5. Step 5: Solve for x
    x = 628,447,410.34/28,531.53
  6. Step 6: Final answer
    x = 22,026.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.