Home / 28,162.80-42,244.20-27,903.60

Finding the Fourth Proportional to 28,162.80, 42,244.20 and 27,903.60

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Solution

The fourth proportional to 28,162.80, 42,244.20 and 27,903.60 is: 41,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,162.80 : 42,244.20 = 27,903.60 : x
  2. Step 2: Convert to fraction form
    28,162.80/42,244.20 = 27,903.60/x
  3. Step 3: Cross multiply
    28,162.80x = 42,244.20 × 27,903.60
  4. Step 4: Simplify right side
    28,162.80x = 1,178,765,259.12
  5. Step 5: Solve for x
    x = 1,178,765,259.12/28,162.80
  6. Step 6: Final answer
    x = 41,855.40

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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.