Home / 27,089.83-40,634.75-17,788.60

Finding the Fourth Proportional to 27,089.83, 40,634.75 and 17,788.60

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Solution

The fourth proportional to 27,089.83, 40,634.75 and 17,788.60 is: 26,682.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089.83 : 40,634.75 = 17,788.60 : x
  2. Step 2: Convert to fraction form
    27,089.83/40,634.75 = 17,788.60/x
  3. Step 3: Cross multiply
    27,089.83x = 40,634.75 × 17,788.60
  4. Step 4: Simplify right side
    27,089.83x = 722,835,313.85
  5. Step 5: Solve for x
    x = 722,835,313.85/27,089.83
  6. Step 6: Final answer
    x = 26,682.90

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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.