Home / 28,944.10-39,943.14-17,007.70

Finding the Fourth Proportional to 28,944.10, 39,943.14 and 17,007.70

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Solution

The fourth proportional to 28,944.10, 39,943.14 and 17,007.70 is: 23,470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,944.10 : 39,943.14 = 17,007.70 : x
  2. Step 2: Convert to fraction form
    28,944.10/39,943.14 = 17,007.70/x
  3. Step 3: Cross multiply
    28,944.10x = 39,943.14 × 17,007.70
  4. Step 4: Simplify right side
    28,944.10x = 679,340,942.18
  5. Step 5: Solve for x
    x = 679,340,942.18/28,944.10
  6. Step 6: Final answer
    x = 23,470.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.