Home / 28,224.48-38,949.46-16,287.56

Finding the Fourth Proportional to 28,224.48, 38,949.46 and 16,287.56

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Solution

The fourth proportional to 28,224.48, 38,949.46 and 16,287.56 is: 22,476.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,224.48 : 38,949.46 = 16,287.56 : x
  2. Step 2: Convert to fraction form
    28,224.48/38,949.46 = 16,287.56/x
  3. Step 3: Cross multiply
    28,224.48x = 38,949.46 × 16,287.56
  4. Step 4: Simplify right side
    28,224.48x = 634,391,577.31
  5. Step 5: Solve for x
    x = 634,391,577.31/28,224.48
  6. Step 6: Final answer
    x = 22,476.65

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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.