Home / 19,082.10-28,619.84-5,042.28

Finding the Fourth Proportional to 19,082.10, 28,619.84 and 5,042.28

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Solution

The fourth proportional to 19,082.10, 28,619.84 and 5,042.28 is: 7,562.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,082.10 : 28,619.84 = 5,042.28 : x
  2. Step 2: Convert to fraction form
    19,082.10/28,619.84 = 5,042.28/x
  3. Step 3: Cross multiply
    19,082.10x = 28,619.84 × 5,042.28
  4. Step 4: Simplify right side
    19,082.10x = 144,309,246.84
  5. Step 5: Solve for x
    x = 144,309,246.84/19,082.10
  6. Step 6: Final answer
    x = 7,562.55

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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.