Home / 28,024.54-38,673.83-15,449.50

Finding the Fourth Proportional to 28,024.54, 38,673.83 and 15,449.50

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Solution

The fourth proportional to 28,024.54, 38,673.83 and 15,449.50 is: 21,320.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,024.54 : 38,673.83 = 15,449.50 : x
  2. Step 2: Convert to fraction form
    28,024.54/38,673.83 = 15,449.50/x
  3. Step 3: Cross multiply
    28,024.54x = 38,673.83 × 15,449.50
  4. Step 4: Simplify right side
    28,024.54x = 597,491,336.59
  5. Step 5: Solve for x
    x = 597,491,336.59/28,024.54
  6. Step 6: Final answer
    x = 21,320.29

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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.