Home / 28,127.02-42,189.42-7,067.22

Finding the Fourth Proportional to 28,127.02, 42,189.42 and 7,067.22

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Solution

The fourth proportional to 28,127.02, 42,189.42 and 7,067.22 is: 10,600.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,127.02 : 42,189.42 = 7,067.22 : x
  2. Step 2: Convert to fraction form
    28,127.02/42,189.42 = 7,067.22/x
  3. Step 3: Cross multiply
    28,127.02x = 42,189.42 × 7,067.22
  4. Step 4: Simplify right side
    28,127.02x = 298,161,912.81
  5. Step 5: Solve for x
    x = 298,161,912.81/28,127.02
  6. Step 6: Final answer
    x = 10,600.55

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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.