Home / 28,097.76-42,179.22-16,419.36

Finding the Fourth Proportional to 28,097.76, 42,179.22 and 16,419.36

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Solution

The fourth proportional to 28,097.76, 42,179.22 and 16,419.36 is: 24,648.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097.76 : 42,179.22 = 16,419.36 : x
  2. Step 2: Convert to fraction form
    28,097.76/42,179.22 = 16,419.36/x
  3. Step 3: Cross multiply
    28,097.76x = 42,179.22 × 16,419.36
  4. Step 4: Simplify right side
    28,097.76x = 692,555,797.70
  5. Step 5: Solve for x
    x = 692,555,797.70/28,097.76
  6. Step 6: Final answer
    x = 24,648.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.