Home / 28,652.82-39,541.32-17,320.29

Finding the Fourth Proportional to 28,652.82, 39,541.32 and 17,320.29

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Solution

The fourth proportional to 28,652.82, 39,541.32 and 17,320.29 is: 23,902.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,652.82 : 39,541.32 = 17,320.29 : x
  2. Step 2: Convert to fraction form
    28,652.82/39,541.32 = 17,320.29/x
  3. Step 3: Cross multiply
    28,652.82x = 39,541.32 × 17,320.29
  4. Step 4: Simplify right side
    28,652.82x = 684,867,129.38
  5. Step 5: Solve for x
    x = 684,867,129.38/28,652.82
  6. Step 6: Final answer
    x = 23,902.26

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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.