Home / 28,276.10-42,414.12-7,216.14

Finding the Fourth Proportional to 28,276.10, 42,414.12 and 7,216.14

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Solution

The fourth proportional to 28,276.10, 42,414.12 and 7,216.14 is: 10,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,276.10 : 42,414.12 = 7,216.14 : x
  2. Step 2: Convert to fraction form
    28,276.10/42,414.12 = 7,216.14/x
  3. Step 3: Cross multiply
    28,276.10x = 42,414.12 × 7,216.14
  4. Step 4: Simplify right side
    28,276.10x = 306,066,227.90
  5. Step 5: Solve for x
    x = 306,066,227.90/28,276.10
  6. Step 6: Final answer
    x = 10,824.20

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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.