Home / 28,224.67-38,949.72-16,287.75

Finding the Fourth Proportional to 28,224.67, 38,949.72 and 16,287.75

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Solution

The fourth proportional to 28,224.67, 38,949.72 and 16,287.75 is: 22,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,224.67 : 38,949.72 = 16,287.75 : x
  2. Step 2: Convert to fraction form
    28,224.67/38,949.72 = 16,287.75/x
  3. Step 3: Cross multiply
    28,224.67x = 38,949.72 × 16,287.75
  4. Step 4: Simplify right side
    28,224.67x = 634,403,025.74
  5. Step 5: Solve for x
    x = 634,403,025.74/28,224.67
  6. Step 6: Final answer
    x = 22,476.90

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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.