Home / 28,546.66-39,432.04-21,914.24

Finding the Fourth Proportional to 28,546.66, 39,432.04 and 21,914.24

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Solution

The fourth proportional to 28,546.66, 39,432.04 and 21,914.24 is: 30,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546.66 : 39,432.04 = 21,914.24 : x
  2. Step 2: Convert to fraction form
    28,546.66/39,432.04 = 21,914.24/x
  3. Step 3: Cross multiply
    28,546.66x = 39,432.04 × 21,914.24
  4. Step 4: Simplify right side
    28,546.66x = 864,123,188.25
  5. Step 5: Solve for x
    x = 864,123,188.25/28,546.66
  6. Step 6: Final answer
    x = 30,270.55

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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.