Home / 19,230.17-28,828.11-10,350.27

Finding the Fourth Proportional to 19,230.17, 28,828.11 and 10,350.27

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Solution

The fourth proportional to 19,230.17, 28,828.11 and 10,350.27 is: 15,516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230.17 : 28,828.11 = 10,350.27 : x
  2. Step 2: Convert to fraction form
    19,230.17/28,828.11 = 10,350.27/x
  3. Step 3: Cross multiply
    19,230.17x = 28,828.11 × 10,350.27
  4. Step 4: Simplify right side
    19,230.17x = 298,378,722.09
  5. Step 5: Solve for x
    x = 298,378,722.09/19,230.17
  6. Step 6: Final answer
    x = 15,516.18

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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.