Home / 38,428.11-57,651.08-15,054.75

Finding the Fourth Proportional to 38,428.11, 57,651.08 and 15,054.75

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Solution

The fourth proportional to 38,428.11, 57,651.08 and 15,054.75 is: 22,585.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,428.11 : 57,651.08 = 15,054.75 : x
  2. Step 2: Convert to fraction form
    38,428.11/57,651.08 = 15,054.75/x
  3. Step 3: Cross multiply
    38,428.11x = 57,651.08 × 15,054.75
  4. Step 4: Simplify right side
    38,428.11x = 867,922,521.36
  5. Step 5: Solve for x
    x = 867,922,521.36/38,428.11
  6. Step 6: Final answer
    x = 22,585.62

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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.