Home / 28,037.44-42,069.60-18,784.96

Finding the Fourth Proportional to 28,037.44, 42,069.60 and 18,784.96

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Solution

The fourth proportional to 28,037.44, 42,069.60 and 18,784.96 is: 28,186.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037.44 : 42,069.60 = 18,784.96 : x
  2. Step 2: Convert to fraction form
    28,037.44/42,069.60 = 18,784.96/x
  3. Step 3: Cross multiply
    28,037.44x = 42,069.60 × 18,784.96
  4. Step 4: Simplify right side
    28,037.44x = 790,275,753.22
  5. Step 5: Solve for x
    x = 790,275,753.22/28,037.44
  6. Step 6: Final answer
    x = 28,186.44

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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.