Home / 28,504.08-42,756.20-16,801.20

Finding the Fourth Proportional to 28,504.08, 42,756.20 and 16,801.20

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Solution

The fourth proportional to 28,504.08, 42,756.20 and 16,801.20 is: 25,201.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,504.08 : 42,756.20 = 16,801.20 : x
  2. Step 2: Convert to fraction form
    28,504.08/42,756.20 = 16,801.20/x
  3. Step 3: Cross multiply
    28,504.08x = 42,756.20 × 16,801.20
  4. Step 4: Simplify right side
    28,504.08x = 718,355,467.44
  5. Step 5: Solve for x
    x = 718,355,467.44/28,504.08
  6. Step 6: Final answer
    x = 25,201.85

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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.