Home / 28,580.27-39,451.12-23,265.86

Finding the Fourth Proportional to 28,580.27, 39,451.12 and 23,265.86

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Solution

The fourth proportional to 28,580.27, 39,451.12 and 23,265.86 is: 32,115.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,580.27 : 39,451.12 = 23,265.86 : x
  2. Step 2: Convert to fraction form
    28,580.27/39,451.12 = 23,265.86/x
  3. Step 3: Cross multiply
    28,580.27x = 39,451.12 × 23,265.86
  4. Step 4: Simplify right side
    28,580.27x = 917,863,979.34
  5. Step 5: Solve for x
    x = 917,863,979.34/28,580.27
  6. Step 6: Final answer
    x = 32,115.31

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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.