Home / 26,380.86-39,585.87-15,854.10

Finding the Fourth Proportional to 26,380.86, 39,585.87 and 15,854.10

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Solution

The fourth proportional to 26,380.86, 39,585.87 and 15,854.10 is: 23,789.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,380.86 : 39,585.87 = 15,854.10 : x
  2. Step 2: Convert to fraction form
    26,380.86/39,585.87 = 15,854.10/x
  3. Step 3: Cross multiply
    26,380.86x = 39,585.87 × 15,854.10
  4. Step 4: Simplify right side
    26,380.86x = 627,598,341.57
  5. Step 5: Solve for x
    x = 627,598,341.57/26,380.86
  6. Step 6: Final answer
    x = 23,789.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.