Home / 27,182.19-40,765.90-7,456.08

Finding the Fourth Proportional to 27,182.19, 40,765.90 and 7,456.08

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Solution

The fourth proportional to 27,182.19, 40,765.90 and 7,456.08 is: 11,182.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,182.19 : 40,765.90 = 7,456.08 : x
  2. Step 2: Convert to fraction form
    27,182.19/40,765.90 = 7,456.08/x
  3. Step 3: Cross multiply
    27,182.19x = 40,765.90 × 7,456.08
  4. Step 4: Simplify right side
    27,182.19x = 303,953,589.20
  5. Step 5: Solve for x
    x = 303,953,589.20/27,182.19
  6. Step 6: Final answer
    x = 11,182.09

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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.