Home / 28,935.38-43,358.41-19,538.57

Finding the Fourth Proportional to 28,935.38, 43,358.41 and 19,538.57

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Solution

The fourth proportional to 28,935.38, 43,358.41 and 19,538.57 is: 29,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,935.38 : 43,358.41 = 19,538.57 : x
  2. Step 2: Convert to fraction form
    28,935.38/43,358.41 = 19,538.57/x
  3. Step 3: Cross multiply
    28,935.38x = 43,358.41 × 19,538.57
  4. Step 4: Simplify right side
    28,935.38x = 847,161,328.87
  5. Step 5: Solve for x
    x = 847,161,328.87/28,935.38
  6. Step 6: Final answer
    x = 29,277.70

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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.