Home / 27,438.76-41,140.86-18,068.68

Finding the Fourth Proportional to 27,438.76, 41,140.86 and 18,068.68

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Solution

The fourth proportional to 27,438.76, 41,140.86 and 18,068.68 is: 27,091.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.76 : 41,140.86 = 18,068.68 : x
  2. Step 2: Convert to fraction form
    27,438.76/41,140.86 = 18,068.68/x
  3. Step 3: Cross multiply
    27,438.76x = 41,140.86 × 18,068.68
  4. Step 4: Simplify right side
    27,438.76x = 743,361,034.26
  5. Step 5: Solve for x
    x = 743,361,034.26/27,438.76
  6. Step 6: Final answer
    x = 27,091.64

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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.