Home / 27,989.23-41,983.60-11,345.30

Finding the Fourth Proportional to 27,989.23, 41,983.60 and 11,345.30

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Solution

The fourth proportional to 27,989.23, 41,983.60 and 11,345.30 is: 17,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,989.23 : 41,983.60 = 11,345.30 : x
  2. Step 2: Convert to fraction form
    27,989.23/41,983.60 = 11,345.30/x
  3. Step 3: Cross multiply
    27,989.23x = 41,983.60 × 11,345.30
  4. Step 4: Simplify right side
    27,989.23x = 476,316,537.08
  5. Step 5: Solve for x
    x = 476,316,537.08/27,989.23
  6. Step 6: Final answer
    x = 17,017.85

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Similar ratio
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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.