Home / 27,148.05-40,658.85-26,400.60

Finding the Fourth Proportional to 27,148.05, 40,658.85 and 26,400.60

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Solution

The fourth proportional to 27,148.05, 40,658.85 and 26,400.60 is: 39,539.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,148.05 : 40,658.85 = 26,400.60 : x
  2. Step 2: Convert to fraction form
    27,148.05/40,658.85 = 26,400.60/x
  3. Step 3: Cross multiply
    27,148.05x = 40,658.85 × 26,400.60
  4. Step 4: Simplify right side
    27,148.05x = 1,073,418,035.31
  5. Step 5: Solve for x
    x = 1,073,418,035.31/27,148.05
  6. Step 6: Final answer
    x = 39,539.42

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1.5x scale

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.