Home / 28,352.11-39,112.83-17,001.93

Finding the Fourth Proportional to 28,352.11, 39,112.83 and 17,001.93

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Solution

The fourth proportional to 28,352.11, 39,112.83 and 17,001.93 is: 23,454.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352.11 : 39,112.83 = 17,001.93 : x
  2. Step 2: Convert to fraction form
    28,352.11/39,112.83 = 17,001.93/x
  3. Step 3: Cross multiply
    28,352.11x = 39,112.83 × 17,001.93
  4. Step 4: Simplify right side
    28,352.11x = 664,993,597.76
  5. Step 5: Solve for x
    x = 664,993,597.76/28,352.11
  6. Step 6: Final answer
    x = 23,454.82

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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.