Home / 27,390.09-41,085.42-9,621.16

Finding the Fourth Proportional to 27,390.09, 41,085.42 and 9,621.16

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Solution

The fourth proportional to 27,390.09, 41,085.42 and 9,621.16 is: 14,431.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.09 : 41,085.42 = 9,621.16 : x
  2. Step 2: Convert to fraction form
    27,390.09/41,085.42 = 9,621.16/x
  3. Step 3: Cross multiply
    27,390.09x = 41,085.42 × 9,621.16
  4. Step 4: Simplify right side
    27,390.09x = 395,289,399.49
  5. Step 5: Solve for x
    x = 395,289,399.49/27,390.09
  6. Step 6: Final answer
    x = 14,431.84

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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.