Home / 28,227.02-42,340.55-7,168.64

Finding the Fourth Proportional to 28,227.02, 42,340.55 and 7,168.64

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Solution

The fourth proportional to 28,227.02, 42,340.55 and 7,168.64 is: 10,752.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.02 : 42,340.55 = 7,168.64 : x
  2. Step 2: Convert to fraction form
    28,227.02/42,340.55 = 7,168.64/x
  3. Step 3: Cross multiply
    28,227.02x = 42,340.55 × 7,168.64
  4. Step 4: Simplify right side
    28,227.02x = 303,524,284.12
  5. Step 5: Solve for x
    x = 303,524,284.12/28,227.02
  6. Step 6: Final answer
    x = 10,752.97

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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.