Home / 28,903.13-39,874.52-22,910.75

Finding the Fourth Proportional to 28,903.13, 39,874.52 and 22,910.75

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Solution

The fourth proportional to 28,903.13, 39,874.52 and 22,910.75 is: 31,607.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.13 : 39,874.52 = 22,910.75 : x
  2. Step 2: Convert to fraction form
    28,903.13/39,874.52 = 22,910.75/x
  3. Step 3: Cross multiply
    28,903.13x = 39,874.52 × 22,910.75
  4. Step 4: Simplify right side
    28,903.13x = 913,555,044.54
  5. Step 5: Solve for x
    x = 913,555,044.54/28,903.13
  6. Step 6: Final answer
    x = 31,607.48

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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.