Home / 28,508.54-39,345.10-23,720.04

Finding the Fourth Proportional to 28,508.54, 39,345.10 and 23,720.04

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Solution

The fourth proportional to 28,508.54, 39,345.10 and 23,720.04 is: 32,736.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,508.54 : 39,345.10 = 23,720.04 : x
  2. Step 2: Convert to fraction form
    28,508.54/39,345.10 = 23,720.04/x
  3. Step 3: Cross multiply
    28,508.54x = 39,345.10 × 23,720.04
  4. Step 4: Simplify right side
    28,508.54x = 933,267,286.50
  5. Step 5: Solve for x
    x = 933,267,286.50/28,508.54
  6. Step 6: Final answer
    x = 32,736.42

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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.